Focus and Scope

Jambura Journal of Mathematics is a national journal intended as a communication forum for mathematicians and other scientists from many practitioners who use mathematics in their research. Jambura Journal of Mathematics disseminates new research results in all areas of mathematics and their applications. Besides research articles, the journal also receives survey papers that stimulate research in mathematics and its applications. The scope of the articles published in this journal deal with a broad range of mathematics topics, including:

• Numerical Analysis
• Modelling and Simulation
• Logic
• Geometry and Topology
• Discrete Mathematics and Combinatorics
• Control and Optimization
• Applied Mathematics
• Analysis
• Algebra and Number Theory
• Computational Mathematics
• Statistics and Probability
• Computer Science
• Artificial Intelligence
• Optimization

Section Policies

Articles

Open Submissions

Indexed

Peer Reviewed

Peer Review Process

1. Peer Review Process

All manuscripts submitted to Jambura Journal of Mathematics (JJoM) undergo editorial screening and, when considered suitable, a rigorous, fair, independent, and confidential peer review process.

Each manuscript is initially assessed for relevance to the journal's scope, scientific originality, mathematical validity, methodological rigor, academic contribution, compliance with the Author Guidelines, and publication ethics.

Manuscripts that do not meet essential requirements may be rejected without external peer review.

JJoM applies a double-blind peer review system, in which the identities of authors and reviewers are concealed from each other. Manuscripts proceeding to external review are evaluated by at least two independent reviewers with appropriate subject expertise.

Authors must prepare anonymized manuscripts, and editors take reasonable measures to maintain confidentiality. Absolute anonymity cannot be guaranteed when authorship can be inferred from preprints or other publicly available information.

Additional reviewers may be appointed when specialist assessment is necessary or reviewer recommendations differ substantially.

2. Reviewer Selection and Independence

Reviewers are selected based on academic expertise, research qualifications, publication experience, independence, and their ability to provide objective and timely evaluations.

Reviewers must disclose actual, potential, or perceived conflicts of interest and decline assignments when impartiality cannot reasonably be maintained.

Author-suggested reviewers, where permitted, are subject to independent verification by the editorial team. Fabricated reviewer identities, manipulated contact information, and interference with reviewer selection are prohibited.

3. Review Criteria

Reviewers evaluate manuscripts according to:

1. Originality and Novelty: Original findings, mathematical contributions, significant generalizations, or methodological advances.

2. Relevance and Scientific Contribution: Alignment with the journal's scope and contribution to mathematical knowledge.

3. Mathematical Rigor: Validity of definitions, assumptions, theorems, lemmas, proofs, and logical arguments.

4. Methodological Validity: Appropriateness of mathematical models, statistical procedures, numerical methods, algorithms, and research designs.

5. Reproducibility: Adequacy of methodological documentation, computational settings, parameters, and validation where applicable.

6. Literature Review: Appropriate acknowledgment of foundational and current research.

7. Presentation: Clarity, consistency, organization, and scientific language.

8. Conclusions: Logical correspondence between findings, evidence, and claims.

9. Ethical Compliance: Adherence to research integrity and publication ethics.

Reviewers should distinguish essential scientific corrections from optional improvements and avoid unnecessary citation requests.

4. Review Outcomes

Following peer review, manuscripts may receive one of four decisions:

• Accept: The manuscript meets publication requirements without further substantive revision.

• Minor Revision: Limited corrections or clarifications are required.

• Major Revision: Substantial scientific or methodological improvements are required.

• Reject: The manuscript fails to meet essential scientific, ethical, or editorial standards.

Revision decisions do not guarantee acceptance.

Reviewer recommendations are advisory. The final decision rests with the Editor-in-Chief or an authorized handling editor and must be based on independent scientific assessment rather than a numerical majority of reviewer recommendations.

5. Revision and Re-evaluation

Authors invited to revise must submit a revised manuscript and a point-by-point response addressing reviewer and editor comments.

When authors disagree with recommendations, academically justified explanations may be provided.

Revised manuscripts may be assessed by the handling editor, original reviewers, or additional reviewers as necessary.

Authors should comply with specified revision deadlines or request extensions in advance. Inadequate responses or failure to submit revisions within the agreed period may result in rejection or administrative closure.

6. Confidentiality and Ethical Responsibilities

All manuscripts, review reports, supplementary materials, and editorial communications are confidential.

Reviewers must not disclose, reproduce, distribute, or exploit unpublished research. They must not delegate reviews or share manuscripts with third parties without editorial authorization.

Review comments must be objective, respectful, constructive, and supported by scientific reasoning.

Reviewers must not use generative AI to evaluate manuscripts, assess proofs, prepare review reports, or formulate recommendations. Confidential manuscript content must not be uploaded to external generative AI systems.

Suspected plagiarism, fabrication, falsification, citation manipulation, peer review manipulation, or other misconduct must be reported confidentially to the editor.

7. Review Timeline

JJoM aims to conduct peer review promptly while maintaining scientific quality.

Review duration may vary according to manuscript complexity, reviewer availability, revision requirements, and the number of review rounds.

The editorial team monitors progress, follows up on delays, and appoints replacement reviewers when appropriate.

The journal does not guarantee acceptance or a fixed review completion date.

8. Editorial Independence

Editorial decisions are based on scientific merit, mathematical validity, originality, methodological rigor, relevance, and ethical compliance.

The publisher, journal management, sponsors, institutional interests, and publication fees must not improperly influence editorial decisions.

Editors with relevant conflicts of interest must withdraw from handling affected manuscripts.

Submissions by editors or editorial board members must be managed by appropriately independent editors without preferential treatment.

9. Appeals and Disputes

Authors may appeal editorial decisions when they provide evidence of significant factual errors, scientific misunderstandings, procedural irregularities, or conflicts of interest.

Appeals must be submitted through official journal channels and assessed fairly by an appropriately independent editor.

Disagreement with a decision alone does not establish grounds for an appeal. Appeals do not automatically result in a change of editorial decision.

Complaints are handled according to the journal's applicable Complaints and Appeals procedures.

10. Reviewer Guidance and Quality Assurance

JJoM encourages reviewers and editors to follow the COPE Ethical Guidelines for Peer Reviewers.

The editorial team provides guidance on scientific evaluation, confidentiality, conflicts of interest, constructive reporting, and review deadlines.

The quality and objectivity of reviewer reports are considered in editorial management. Reviewers who repeatedly provide inadequate, biased, or unethical assessments may be excluded from future assignments.

11. Policy Implementation

JJoM maintains a transparent, fair, independent, and confidential peer review system.

This policy should be read together with the journal's Reviewer Guidelines, Publication Ethics and Malpractice Statement, Conflicts of Interest Policy, and other applicable editorial policies.

The journal may periodically review its peer review procedures to maintain scientific rigor and publication integrity.

Publication Frequency

Jambura Journal of Mathematics (JJoM) publishes two regular issues annually, in February and August, and adopts a Continuous Publication model through an In Progress Issue system to ensure the timely dissemination of scholarly research.

Under this model, each regular issue may be opened for publication before its scheduled publication month. For example, the August issue may begin publishing articles in June or July if manuscripts have completed all required editorial and production processes.

Manuscripts that have successfully completed double-blind peer review, revisions, formal acceptance, copyediting, proofreading, layout preparation, and final quality assurance are published individually as final Versions of Record within the designated In Progress Issue, without waiting for the scheduled publication month or for other articles in the same issue to be completed.

Each published article is assigned its final bibliographic information, including volume, issue number, actual online publication date, Digital Object Identifier (DOI), and page range or article identifier, where applicable. Published articles are immediately accessible and citable.

Additional articles are published progressively within the same In Progress Issue as they become ready. Once all scheduled articles have been published and the issue has completed its editorial and production requirements, the issue is formally closed and retained in the journal's permanent archive.

Articles published in an In Progress Issue are considered fully published scholarly records. Their publication dates must reflect the actual dates on which the final articles became publicly available, even when these dates precede the issue's designated publication month.

This publication model maintains JJoM's regular February and August issue schedule while allowing accepted articles to be published without unnecessary delays. All publications remain subject to the journal's scientific standards, editorial independence, publication ethics, copyright and licensing, and correction and retraction policies.

Open Access Policy

Jambura Journal of Mathematics (JJoM) is a fully open-access, peer-reviewed journal. All published articles are freely and immediately accessible to everyone without subscription, registration, payment, or embargo. This policy supports the principle of making scholarly research openly accessible to the public.

Readers may read, download, copy, distribute, print, search, and link to published articles without requesting prior permission. Reuse of published content is governed by the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0) . This license permits sharing, redistribution, and adaptation for noncommercial purposes, provided that appropriate credit is given to the original authors and publication source, a link to the license is provided, and any modifications are indicated.

Authors retain copyright in their published articles and grant JJoM the non-exclusive right of first publication. Commercial reuse requires separate permission from the relevant copyright holders, unless otherwise permitted by applicable law.

Archiving

This journal utilizes the LOCKSS system to create a distributed archiving system among participating libraries and permits those libraries to create permanent archives of the journal for purposes of preservation and restoration. More...

Publication Ethics and Malpractice Statement

Jambura Journal of Mathematics (JJoM) is a peer-reviewed scientific journal published by the Department of Mathematics, Universitas Negeri Gorontalo, Indonesia.

The journal is committed to scientific originality, mathematical rigor, transparency, editorial independence, and publication integrity. Its ethical framework follows relevant principles of the Committee on Publication Ethics (COPE).

This statement establishes the responsibilities of authors, reviewers, editors, editorial board members, and the publisher.

Ethical Guidelines for Journal Publication

Scholarly publishing contributes to the advancement and verification of mathematical knowledge. All parties involved in publication must act honestly, professionally, transparently, and in accordance with applicable ethical and legal requirements.

The publisher supports editorial independence and does not permit financial, institutional, commercial, or other inappropriate interests to determine publication decisions.

1. Duties of Editors

Publication Decisions. Editors must base decisions on scientific merit, originality, mathematical validity, methodological rigor, relevance, and ethical compliance. Reviewers' recommendations are advisory, while the final decision rests with the Editor-in-Chief or an authorized handling editor.

Fair Evaluation. Manuscripts must be assessed without discrimination or preferential treatment based on personal characteristics, nationality, institutional affiliation, academic status, or other considerations unrelated to scholarly quality.

Confidentiality. Editors must protect unpublished manuscripts, review reports, and editorial correspondence from unauthorized disclosure or use.

Conflicts of Interest. Editors must disclose relevant interests and withdraw from handling manuscripts when their impartiality could reasonably be compromised. Submissions involving editors or closely connected individuals must be independently managed.

Editorial Independence. Editorial decisions must not be improperly influenced by the publisher, sponsors, institutions, or publication fees.

Research Integrity. Editors must assess credible ethical concerns fairly, preserve relevant evidence, allow appropriate responses, and cooperate with institutions when necessary.

Post-Publication Responsibility. Editors must consider correction, expression of concern, or retraction when significant errors or ethical concerns affect published articles.

2. Duties of Reviewers

Scientific Assessment. Reviewers must evaluate originality, mathematical correctness, methodological validity, analytical depth, and scientific significance independently and objectively.

Competence and Timeliness. Reviewers must accept assignments within their expertise and complete assessments within agreed deadlines.

Confidentiality. Reviewers must not disclose or exploit unpublished information or involve third parties without editorial authorization.

Professional Conduct. Reviews must be constructive, evidence-based, respectful, and free from discriminatory remarks, coercive citation requests, or personal criticism.

Conflicts of Interest. Reviewers must disclose circumstances that could compromise independent assessment.

Artificial Intelligence. Reviewers must not use generative AI to assess confidential manuscripts or prepare review recommendations.

Ethical Concerns. Suspected plagiarism, fabrication, falsification, peer review manipulation, and other misconduct must be reported confidentially to the editor.

Reviewers must follow the journal's Reviewer Guidelines and Peer Review Process.

3. Duties of Authors

Reporting Standards. Authors must report research accurately and transparently. Mathematical assumptions, proofs, models, statistical analyses, computational methods, and numerical findings must be scientifically justified.

Data Availability and Reproducibility. All manuscripts must include a Data Availability Statement. Supporting data, computational code, and research materials should be appropriately documented and made available when feasible, subject to legitimate restrictions. Purely theoretical studies without datasets may declare data sharing not applicable.

Originality and Plagiarism. Authors must submit original work and properly acknowledge mathematical theories, proofs, algorithms, methods, data, and other intellectual contributions. Plagiarism and deliberate misrepresentation are prohibited.

Duplicate Publication. Simultaneous submission to multiple journals and misleading redundant publication are prohibited. Relevant preprints and related publications must be disclosed where appropriate.

Responsible Citation. Authors must acknowledge relevant original research and avoid citation manipulation or misleading references.

Authorship and Contributorship. All authors must satisfy the journal's authorship requirements, approve the final manuscript, and accept accountability. Gift, guest, ghost, and coercive authorship are prohibited.

Conflicts of Interest and Funding. Authors must disclose relevant competing interests and research funding, including funders' roles when applicable.

Artificial Intelligence. AI tools cannot be authors. Substantive generative AI use must be disclosed, and human authors remain accountable for all content.

Research Ethics. Research involving human participants, personal data, or animals must comply with applicable ethics approval, consent, privacy, and legal requirements. These requirements apply proportionately to the study design.

Intellectual Property. Authors must respect copyright, licenses, and permissions when using third-party materials.

Fundamental Errors. Authors must promptly notify the journal of significant errors in published research and cooperate with appropriate corrective action.

4. Duties of the Publisher

The Department of Mathematics, Universitas Negeri Gorontalo, supports ethical and sustainable scholarly publication.

The publisher must:

1. Respect editorial independence.

2. Support the implementation of publication ethics policies.

3. Provide appropriate editorial and technical infrastructure.

4. Ensure transparency concerning ownership, journal management, fees, copyright, and licensing.

5. Support preservation and accessibility of published research.

6. Cooperate with relevant institutions when serious ethical concerns arise.

Payment of publication fees must not influence scientific decisions.

5. Handling Publication Ethics Violations

Credible concerns about plagiarism, fabrication, falsification, authorship, citation manipulation, peer review manipulation, or other misconduct may be reported through official journal channels.

The editorial team will assess available evidence, request clarification where appropriate, consult independent experts or research institutions when necessary, and determine proportionate editorial action.

Possible actions include manuscript revision, rejection, correction, expression of concern, or retraction.

Allegations must not be presented as established misconduct without appropriate examination.

All affected parties must be treated fairly, with appropriate confidentiality and opportunities to respond.

Complaints and appeals are handled through the journal's applicable editorial procedures.

6. Post-Publication Integrity and Scholarly Discussion

JJoM supports constructive criticism, independent verification, and scholarly discussion after publication.

Significant errors in mathematical proofs, models, algorithms, statistical analyses, or other findings must be assessed according to their effect on the reliability of the published research.

Formal amendments are governed by the Correction and Retraction Policy.

7. Transparency and Ethical Oversight

The journal maintains publicly accessible policies concerning peer review, authorship, conflicts of interest, data availability, research ethics, intellectual property, complaints, and post-publication actions.

Requirements are applied proportionately to the nature of each manuscript.

8. Commitment to Publication Integrity

All authors, reviewers, editors, editorial board members, and publishing personnel are expected to comply with these standards and related journal policies.

JJoM is committed to maintaining reliable mathematical scholarship and responsible publication practices informed by COPE principles.

Editor-in-Chief
Jambura Journal of Mathematics
Department of Mathematics
Universitas Negeri Gorontalo, Indonesia

Abstracting and Indexing

Jambura Journal of Mathematics (JJoM) has been indexed, abstracted, registered, or included in the following scholarly databases, discovery services, directories, and library catalogues:

1. Directory of Open Access Journals (DOAJ)

2. Dimensions

3. Harvard Library (HOLLIS)

4. Oxford University Libraries (SOLO)

5. ROAD — Directory of Open Access Scholarly Resources

6. EZB — Elektronische Zeitschriftenbibliothek

7. Google Scholar

8. SINTA — Science and Technology Index

9. GARUDA — Garba Rujukan Digital

10. Indonesia OneSearch

Article Processing Charges (APCs) and Author Fees

Jambura Journal of Mathematics (JJoM) applies Article Processing Charges (APCs) to support editorial management, manuscript screening, peer review coordination, article processing, and open-access publication.

Effective for articles published from Volume 8, Issue 1 (2026), the following fees apply:

1. APC Eligibility and Payment

The APC category is determined by the corresponding author's institutional affiliation at the time of submission. Affiliations in Indonesia qualify for the domestic rate; affiliations outside Indonesia qualify for the international rate.

APCs are payable only after formal acceptance. Rejected manuscripts are not charged an APC.

2. Manuscript Translation

Manuscripts submitted in Indonesian may undergo editorial screening and peer review, but accepted articles must be available in English before publication.

Authors may use the journal-coordinated translation service for IDR 250,000 or arrange translation independently.

For independent translation, authors must provide a translation certificate from an officially recognized translation institution or certified translation service provider. No JJoM translation fee applies to independently translated manuscripts.

3. APC Waiver Policy

JJoM does not currently offer APC waivers or discounts. Revenue from accepted articles supports journal operations, including editorial processing of manuscripts that are ultimately rejected.

4. Editorial Independence

Scientific decisions are based exclusively on academic merit, mathematical validity, originality, methodological rigor, relevance, and publication ethics.

APC payment, financial capacity, and institutional affiliation do not influence manuscript acceptance or rejection. Payments must be made through official journal channels.

Manuscript Withdrawal Policy

Jambura Journal of Mathematics (JJoM) recognizes that authors may have legitimate reasons to withdraw a manuscript. However, authors are strongly discouraged from withdrawing manuscripts without substantive justification after editorial assessment, peer review, or publication preparation has commenced, as such actions unnecessarily consume editorial resources, reviewers' time, and journal operational costs.

The journal distinguishes between withdrawals supported by legitimate scientific, ethical, or exceptional circumstances and withdrawals requested without reasonable justification.

1. Withdrawal During Initial Screening

Authors may request manuscript withdrawal before the external peer review process begins.

No withdrawal fee will be imposed at this stage. The manuscript will be recorded as Withdrawn in the journal's editorial system.

2. Withdrawal During Peer Review or Revision

Authors requesting withdrawal during peer review or revision must provide a written explanation and confirmation of agreement from all co-authors.

Where withdrawal is requested without substantive justification after the peer review process has commenced, JJoM may apply an administrative withdrawal charge equivalent to 50% of the applicable Article Processing Charge (APC), provided that the charge was clearly disclosed and accepted before manuscript processing.

The charge is intended to contribute to documented editorial administration and peer review coordination costs already incurred. It is not a payment for the reviewers' recommendations or a condition for obtaining a particular editorial decision.

No withdrawal penalty will be imposed when the request is supported by legitimate scientific errors, ethical concerns, authorship disputes, or exceptional circumstances beyond the authors' reasonable control.

3. Withdrawal After Acceptance but Before Publication

Withdrawal requests received after formal acceptance must be submitted in writing to the Editor-in-Chief with an explanation of the reasons for withdrawal.

Where withdrawal is requested without substantive justification, JJoM may apply an administrative charge equivalent to 75% of the applicable APC, subject to the journal's previously disclosed payment terms and a proportionate assessment of the circumstances.

Any APC already paid must be taken into account to avoid duplicate charges for the same editorial and production services.

Withdrawal requests supported by significant scientific or ethical concerns will be assessed without an additional withdrawal penalty. Any existing APC payment obligations will be handled separately under the Author Fees policy.

4. Assessment of Withdrawal Requests

The Editor-in-Chief or an appropriately independent editor will assess withdrawal requests on a case-by-case basis.

The assessment will consider the manuscript's editorial stage, the reasons for withdrawal, the editorial resources already committed, relevant supporting information, and any exceptional circumstances.

An absence of substantive justification does not automatically constitute publication misconduct.

Authors must be given an opportunity to explain their circumstances before any administrative charge or other consequential action is finalized.

The journal will communicate its decision and any applicable charges in writing.

5. Withdrawal After Publication

Once an article has been published, it forms part of the scholarly record. Requests concerning published articles will be handled under the journal's Correction and Retraction Policy rather than the manuscript withdrawal procedure.

Corrections, expressions of concern, and retractions will be assessed independently of financial considerations.

No additional withdrawal penalty will be imposed as a condition for correcting or retracting published research.

6. Withdrawal Procedure

Requests must be submitted by the corresponding author to the Editor-in-Chief through the journal's official email address.

Each request must include the manuscript title, submission ID, reasons for withdrawal, and confirmation that all co-authors have been informed and agree.

The journal may request further clarification where necessary.

A manuscript is officially withdrawn when the editorial office issues written confirmation. Administrative charges or payment disputes must not be used to prevent necessary withdrawal or research-integrity actions.

Authors may appeal an administrative withdrawal decision through the journal's complaints and appeals procedure.

7. Editorial Independence

Withdrawal requests and associated administrative matters must be handled fairly, transparently, and independently of scientific editorial decisions.

Any withdrawal charges must be disclosed before manuscript submission, applied consistently, and administered separately from peer review and manuscript acceptance decisions.

JJoM will not impose automatic restrictions on authors or their institutions solely for requesting manuscript withdrawal. Suspected deliberate misuse of the submission process will be addressed separately under the journal's publication ethics procedures.

Plagiarism Policy

Jambura Journal of Mathematics (JJoM) prohibits plagiarism, inappropriate text recycling, and misrepresentation of existing research as original scholarship.

1. Plagiarism Screening

All submitted manuscripts are screened using Turnitin.

JJoM applies a maximum Similarity Index of 25% as a general editorial screening threshold.

Manuscripts exceeding this threshold may be returned for revision or rejected following editorial assessment.

A similarity score alone does not establish plagiarism. Manuscripts below 25% are not automatically considered plagiarism-free or acceptable for publication.

2. Evaluation of Similarity

Editors consider the context, source, and significance of textual overlap, including references, quotations, standard mathematical terminology, established formulas, and appropriately acknowledged material.

Where appropriate, consistent Turnitin exclusion settings may be applied when interpreting reports.

3. Prohibited Practices

Plagiarism and unacceptable reuse include:

1. Copying or closely paraphrasing text without proper acknowledgment.

2. Presenting another researcher's theorems, proofs, algorithms, mathematical models, or original ideas as one's own.

3. Reusing research data, numerical results, figures, or tables without appropriate attribution or permission.

4. Inappropriate recycling of previously disseminated material.

5. Duplicate or redundant publication without proper disclosure.

Standard mathematical notation and established definitions do not automatically constitute plagiarism, although scholarly attribution remains necessary.

4. Preprints and Previous Work

Relevant preprints, conference papers, theses, dissertations, and related publications must be disclosed when they substantially overlap with a submission.

Such prior dissemination does not automatically constitute plagiarism or duplicate publication, provided that the submitted manuscript makes an identifiable original contribution and properly acknowledges related work.

5. Editorial Actions

When suspected plagiarism is identified, editors may request clarification, revisions, additional similarity screening, or supporting documentation.

Substantiated serious plagiarism may result in manuscript rejection or appropriate institutional referral.

Authors must have a reasonable opportunity to respond.

6. Post-Publication Plagiarism

Plagiarism concerns identified after publication will be assessed under the Allegations of Research Misconduct Policy and Correction and Retraction Policy.

Depending on the evidence, actions may include correction, expression of concern, or retraction.

JJoM follows relevant COPE guidance and applies this policy fairly and consistently.

Authorship and Contributorship Policy

1. General Principles

Jambura Journal of Mathematics (JJoM) requires authorship to reflect genuine intellectual contributions and scholarly accountability.

The journal adopts the four authorship criteria recommended by the International Committee of Medical Journal Editors (ICMJE) and uses the CRediT taxonomy to describe contributions.

2. Authorship Criteria

All authors must satisfy all four criteria:

1. Make substantial contributions to research conception, design, acquisition, analysis, or interpretation.

2. Participate in drafting or critically revising important intellectual content.

3. Approve the final manuscript.

4. Accept accountability for the accuracy and integrity of the work.

All qualifying contributors should be recognized appropriately. Individuals who do not satisfy all criteria may be acknowledged rather than listed as authors.

3. Author Contributions

Manuscripts must include an Author Contributions Statement using relevant CRediT roles:

Conceptualization; Data curation; Formal analysis; Funding acquisition; Investigation; Methodology; Project administration; Resources; Software; Supervision; Validation; Visualization; Writing – original draft; and Writing – review and editing.

CRediT roles describe contributions but do not independently establish authorship eligibility.

4. Author Order and Corresponding Author

All authors must agree on authorship order before submission.

The corresponding author coordinates editorial communication, confirms author approval, submits accurate declarations, and responds to legitimate post-publication inquiries.

All authors remain responsible for their contributions and the overall integrity of the work.

5. Changes in Authorship

Requests to add, remove, or rearrange authors must include an explanation and written agreement from all affected authors.

Changes before publication require editorial approval. Justified post-publication changes may require a formal correction.

Unresolved authorship disputes may be referred to relevant institutions.

6. Unacceptable Authorship

Gift, guest, ghost, coercive, and misleading authorship practices are prohibited.

Funding, general supervision, administrative assistance, language editing, or professional translation alone does not establish authorship eligibility.

Non-author contributions may be acknowledged with permission.

7. Artificial Intelligence

AI tools cannot be listed as authors. Relevant AI use must be disclosed, and human authors remain fully responsible for all manuscript content.

8. Authorship Disputes and Compliance

Authorship disputes should be resolved primarily by the authors and relevant institutions. JJoM may request documentation, suspend editorial processing, or take appropriate action based on verified information.

This policy follows relevant ICMJE, CRediT, and COPE principles.

Conflicts of Interest Policy

1. General Principles

Jambura Journal of Mathematics (JJoM) requires authors, reviewers, editors, editorial personnel, and the publisher to disclose actual, potential, or perceived conflicts of interest that may affect professional judgment.

Conflicts may involve financial, personal, academic, professional, institutional, or intellectual interests.

A conflict does not automatically constitute misconduct, but it must be appropriately disclosed and managed.

2. Responsibilities of Authors

All manuscripts must include a Conflict of Interest Statement representing all authors.

When no relevant conflicts exist, authors should state:

“The authors declare no conflicts of interest.”

Relevant conflicts must be described clearly. Research funding and funders' roles must be disclosed separately when applicable.

Authors must update declarations if circumstances change.

3. Responsibilities of Reviewers

Reviewers must disclose relevant conflicts before accepting assignments and withdraw when impartiality cannot reasonably be maintained.

Confidential manuscript information must not be used for personal, academic, or financial advantage.

4. Responsibilities of Editors

Editors must disclose relevant interests and withdraw from handling manuscripts when impartiality is compromised.

Manuscripts submitted by editorial personnel or closely connected individuals must receive appropriately independent handling.

Editorial decisions must depend solely on scientific quality, mathematical validity, originality, methodological rigor, relevance, and publication ethics.

5. Journal and Publisher Responsibilities

JJoM and the Department of Mathematics, Universitas Negeri Gorontalo, must safeguard editorial independence.

Financial interests, sponsorship, institutional affiliations, and APC payments must not influence manuscript evaluation or publication decisions.

6. Management of Conflicts

When conflicts are identified, the editorial team may request clarification, appoint independent reviewers or editors, exclude conflicted individuals from decisions, document management measures, and publish relevant disclosures.

Conflicts involving the Editor-in-Chief must be handled by an appropriately independent person.

A manageable conflict does not automatically justify manuscript rejection.

7. Undisclosed Conflicts

Undisclosed conflicts will be investigated proportionately. Published articles may require updated disclosures or formal correction.

Retraction is considered only when justified under the Correction and Retraction Policy, not automatically because a conflict was undisclosed.

8. Final Provisions

JJoM follows relevant COPE principles on competing interests and requires transparent, consistent, and fair conflict-of-interest management.

Post-Publication Discussion Policy

1. General Principles

Jambura Journal of Mathematics (JJoM) encourages open, evidence-based, and constructive scientific discussion after publication in accordance with relevant COPE principles.

Published research remains subject to independent verification, criticism, alternative interpretations, and further scholarly development.

2. Scope of Discussion

Discussions may concern mathematical assumptions, theorems, proofs, analytical methods, computational algorithms, numerical simulations, statistical procedures, research findings, reproducibility, and scientific limitations.

Comments must be supported by valid mathematical reasoning, verifiable evidence, or relevant scholarly literature.

3. Submission of Comments

Researchers and readers may submit comments through the journal's official communication channels.

Submissions should identify the original article, describe the scientific issue, reference relevant findings or equations, provide supporting evidence, identify the contributor, and disclose relevant conflicts of interest.

Personal attacks, harassment, unsupported accusations, and irrelevant material are unacceptable.

4. Editorial Assessment

Editors assess scientific relevance, mathematical validity, evidentiary support, originality, and ethical compliance.

Independent experts may be consulted, and substantive comments may undergo peer review.

Legitimate scientific criticism must not be rejected merely because the original authors disagree with it.

5. Author Responses

Authors will normally be offered an opportunity to respond to substantive comments, clarify findings, provide additional evidence, or acknowledge errors.

Failure to respond does not automatically prevent publication of justified criticism or necessary editorial action.

6. Publication of Comments and Replies

The journal may publish Comments, Discussions, Letters to the Editor, and Author Replies, subject to editorial assessment.

Published contributions must identify the original article and be appropriately linked where technically feasible.

Comments and replies do not replace formal correction or retraction notices when required.

7. Ethical Standards

All participants must maintain professional communication, disclose conflicts of interest, and protect confidential information.

Honest scientific errors and legitimate disagreements must be distinguished from research misconduct.

8. Editorial Independence and Responsibilities

Editors must assess discussions independently and manage conflicts of interest.

Authors should respond constructively, readers should provide evidence-based criticism, and editors should determine whether further examination or corrective action is required.

9. Final Provisions

Concerns involving suspected misconduct or unreliable published findings will be handled under the Allegations of Research Misconduct Policy and Correction and Retraction Policy.

JJoM supports responsible post-publication dialogue to strengthen mathematical scholarship and preserve scientific integrity.

Correction and Retraction Policy

Jambura Journal of Mathematics (JJoM) is committed to maintaining the accuracy, reliability, and integrity of the scholarly record in accordance with relevant COPE Retraction Guidelines.

1. Corrections

Corrections may be issued for errors in published articles that do not invalidate their principal findings or conclusions.

These may involve mathematical equations, proofs, calculations, simulations, figures, tables, methodological descriptions, author information, or disclosures.

A formal correction notice will identify the error, explain the amendment, and be linked to the original article. Substantive changes must not be made silently.

2. Expressions of Concern

An Expression of Concern may be issued when credible and serious questions arise concerning a published article, but the evidence remains inconclusive or an investigation is ongoing.

The notice will describe the concerns objectively, remain accessible, and be linked to the article. Further action will be considered when sufficient evidence becomes available.

3. Retractions

An article may be retracted when its principal findings are unreliable or serious ethical violations justify retraction.

Grounds may include:

• Fundamental mathematical errors invalidating principal results.

• Fabrication or falsification of research findings.

• Substantial plagiarism or duplicate publication.

• Compromised peer review.

• Serious ethical violations affecting publication integrity.

• Other deficiencies substantially undermining the reliability of the article.

Authors will ordinarily have an opportunity to respond, but their agreement is not required when sufficient grounds for retraction exist.

A formal retraction notice will identify the article and explain the reasons. The original article will generally remain accessible, prominently marked RETRACTED, and linked to the notice.

Retraction is intended to correct the scholarly record, not punish authors.

4. Article Removal

Article removal is reserved for exceptional legal, privacy, confidentiality, or serious safety concerns that cannot be adequately addressed through correction or retraction.

A bibliographic record or explanatory notice will be retained wherever legally permissible.

5. Reporting and Editorial Procedures

Authors, reviewers, readers, and researchers may report significant errors or ethical concerns through official journal channels.

Editors will assess evidence, seek clarification, consult independent experts or institutions when necessary, and determine proportionate corrective action.

Editors with conflicts of interest must withdraw from affected cases.

6. Transparency and Policy Implementation

Corrections, Expressions of Concern, and Retractions will be publicly identifiable and appropriately linked to affected publications. Relevant metadata will be updated where technically feasible.

This policy applies to published articles, including online-first publications.

Post-publication corrections and retractions must not be conditioned on withdrawal penalties, APC payments, or administrative charges.

Unpublished manuscripts are governed separately by the Manuscript Withdrawal Policy.

Ownership and Management Information

Jambura Journal of Mathematics (JJoM) is a peer-reviewed, open-access scientific journal published and institutionally managed by the Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Gorontalo, Indonesia.

The Department of Mathematics serves as the journal's publisher and provides institutional, administrative, and technical support for its sustainable operation and publication activities.

JJoM is managed by an editorial team consisting of the Editor-in-Chief, Editorial Board, and Managing Editor, with the following responsibilities:

• Editor-in-Chief: Oversees editorial policies, scientific quality, publication ethics, and independent editorial decision-making.

• Editorial Board: Supports manuscript evaluation, peer review, scientific development, and the implementation of editorial standards.

• Managing Editor: Coordinates manuscript administration, editorial workflows, communication, and publication management.

All editorial decisions are made independently based on the scientific merit, originality, mathematical validity, methodological rigor, relevance, and ethical compliance of submitted manuscripts.

The publisher, journal management, and affiliated institutions do not improperly influence editorial decisions. Article Processing Charges (APCs), institutional interests, and other financial or administrative considerations do not determine manuscript acceptance or rejection.

JJoM is committed to transparent journal governance, responsible scholarly publishing, and the principles of the Committee on Publication Ethics (COPE), particularly those concerning journal management, editorial independence, and conflicts of interest.

Further information is available on the journal's official website:

• Editorial Team: https://ejurnal.ung.ac.id/index.php/jjom/about/editorialTeam

• Journal Contact: https://ejurnal.ung.ac.id/index.php/jjom/about/contact

• Journal Website: https://ejurnal.ung.ac.id/index.php/jjom/

Allegations of Research Misconduct Policy

1. General Principles

Jambura Journal of Mathematics (JJoM) addresses credible allegations of research and publication misconduct fairly, objectively, confidentially, and in accordance with relevant COPE principles.

The policy applies to submitted and published manuscripts. Suspected misconduct must be distinguished from established violations, honest errors, and legitimate scientific disagreements.

2. Types of Misconduct

Research and publication misconduct may include:

1. Fabrication: Inventing research data, mathematical findings, or computational results.

2. Falsification: Manipulating research methods, data, mathematical analyses, or findings.

3. Plagiarism: Using another researcher's ideas, theorems, proofs, algorithms, or text without proper acknowledgment.

4. Duplicate Publication: Submitting or publishing substantially overlapping research without disclosure.

5. Authorship Misconduct: Improperly including, excluding, changing, or misrepresenting authors.

6. Citation Manipulation: Manipulating citations for inappropriate benefits.

7. Peer Review Manipulation: Compromising review through fraudulent identities or deceptive practices.

8. Undisclosed Conflicts of Interest: Failing to disclose relevant interests when required.

9. Research Material Misrepresentation: Deliberately misrepresenting datasets, codes, mathematical derivations, or supporting evidence.

10. Other Serious Ethical Violations: Conduct substantially compromising scientific integrity.

3. Reporting Allegations

Authors, reviewers, readers, institutions, and other parties may submit reports through official journal communication channels.

Reports should identify the manuscript or article, explain the concern, and provide supporting evidence.

Credible anonymous reports will be considered. Good-faith reporting must be protected against retaliation.

4. Assessment and Investigation

The Editor-in-Chief or an independent editor will assess available evidence, request clarification, examine relevant documents, provide authors an opportunity to respond, and consult independent experts or institutions where necessary.

Editors with conflicts of interest must withdraw from affected cases.

Formal investigations of researchers' conduct ordinarily belong to the relevant institutions. JJoM retains responsibility for editorial decisions and the integrity of its publications.

5. Editorial Actions

Depending on the evidence, JJoM may request clarification or revision, suspend manuscript processing, reject submissions, refer allegations to institutions, or issue a Correction, Expression of Concern, or Retraction for published articles.

Unsupported allegations may be dismissed. Actions must be proportionate and evidence-based.

Future submission restrictions may be considered only for substantiated serious misconduct under fair procedures.

6. Confidentiality and Documentation

All parties must be treated fairly, and confidential information protected where reasonably possible.

The journal will maintain appropriate records of allegations, evidence, correspondence, and decisions. Significant new evidence may justify further assessment.

7. Complaints and Appeals

Affected individuals may request reconsideration based on relevant new evidence, significant factual errors, procedural irregularities, or conflicts of interest.

Appeals will be independently assessed under the journal's applicable Complaints and Appeals Policy.

8. Final Provisions

This policy is implemented consistently with JJoM's Publication Ethics and Malpractice Statement, Plagiarism Policy, Authorship and Contributorship Policy, Conflicts of Interest Policy, and Correction and Retraction Policy.

Its purpose is to protect research integrity and maintain a reliable scholarly record.

Manuscript Types

Jambura Journal of Mathematics (JJoM) welcomes original and scientifically rigorous research in pure mathematics, applied mathematics, statistics, applied statistics, mathematics education, and interdisciplinary research involving mathematical approaches.

The journal accepts the following manuscript types:

1. Original Research Articles

Original Research Articles present novel and significant scientific findings, including new mathematical theories, theorems, rigorous proofs, analytical methods, mathematical models, computational algorithms, numerical investigations, statistical methodologies, or empirical findings in mathematics education.

Manuscripts must demonstrate clear scientific novelty, mathematical or methodological rigor, sufficient analytical depth, and meaningful scholarly contributions.

Theoretical research must provide logically sound proofs and mathematical arguments. Computational and numerical research must adequately document methods, validation procedures, and scientific interpretations.

2. Review Articles

Review Articles provide comprehensive, critical, and analytical evaluations of research in mathematical sciences.

They must go beyond descriptive summaries by synthesizing prior findings, identifying theoretical or methodological limitations, examining unresolved problems, and providing meaningful scientific insights.

Systematic literature reviews and bibliometric studies may be considered when they demonstrate transparent methodology, analytical depth, originality of synthesis, and significant scientific contributions.

3. General Requirements and Peer Review

All manuscripts must comply with the journal's aims and scope, Author Guidelines, scientific standards, and publication ethics.

JJoM accepts manuscripts authored by at least two individuals, provided that each author satisfies the journal's authorship eligibility requirements. Single-authored manuscripts are not accepted. The inclusion of additional authors solely to satisfy this requirement is prohibited and constitutes an unacceptable authorship practice.

Manuscripts undergo initial editorial screening, followed by double-blind peer review involving at least two independent reviewers when suitable.

Editorial decisions are based on scientific merit, novelty, mathematical validity, methodological rigor, relevance, and ethical compliance.

The editorial team may recommend manuscript reclassification when appropriate.

Article type, institutional affiliation, or publication fee payment does not guarantee acceptance.

Artificial Intelligence (AI) Policy

1. General Principles

Jambura Journal of Mathematics (JJoM) requires responsible, transparent, and accountable use of Artificial Intelligence (AI) in research and scholarly publishing in accordance with relevant COPE principles.

This policy applies to authors, reviewers, editors, and editorial personnel.

2. AI Use by Authors

Authors may use AI-assisted tools for manuscript preparation, language editing, and research activities, provided scientific originality, mathematical validity, accuracy, and confidentiality are maintained.

Substantive generative AI use must be disclosed. Authors must independently verify mathematical formulations, proofs, algorithms, computational findings, references, and conclusions.

Fabricated references, unsupported mathematical claims, and unverified AI-generated findings are prohibited.

AI tools cannot be listed as authors or co-authors. Human authors remain fully accountable for their work.

3. AI Use Declaration

Authors must identify the AI tool and its purpose when substantive generative AI assistance has been used. AI contributions to research methods or results must also be described in the relevant methodological section.

If AI was used:

“The authors used [AI tool name and version, if available] for [specific purpose]. All AI-assisted content was independently reviewed and verified by the authors, who take full responsibility for the manuscript.”

If AI was not used:

“The authors declare that no generative AI tools were used in the preparation of this manuscript.”

Routine spelling correction, conventional grammar checking, reference management, and non-generative formatting tools generally do not require disclosure.

4. AI Use by Reviewers

JJoM strictly prohibits reviewers from using generative AI to evaluate manuscripts, assess proofs, analyze unpublished research, generate reports, or formulate recommendations.

Confidential manuscript content must not be uploaded to external generative AI platforms.

Conventional mathematical software may be used for independent verification when confidentiality is maintained.

5. AI Use by Editors

Editors must independently assess scientific merit and make publication decisions.

Confidential manuscripts and reviewer reports must not be uploaded to external generative AI systems.

AI must not independently determine manuscript acceptance, revision, or rejection. Appropriate automated administrative tools may be used without compromising confidentiality or editorial independence.

6. AI in Mathematical and Computational Research

AI methods, including machine learning, neural networks, and AI-based computational models, are permitted when scientifically justified.

Authors must adequately document relevant algorithms, architectures, datasets, parameters, software configurations, and validation procedures.

Mathematical and computational findings must be supported by appropriate theoretical justification or methodological validation.

7. Policy Violations

Undisclosed substantive AI use, fabricated AI-generated findings, unauthorized disclosure of confidential material, or other violations may result in clarification requests, manuscript rejection, reviewer removal, or post-publication action.

Concerns will be assessed fairly under the journal's Allegations of Research Misconduct Policy and Correction and Retraction Policy.

8. Final Provisions

AI must support, not replace, human scientific reasoning, accountability, and independent editorial judgment.

JJoM may revise this policy in response to developments in AI technologies and publication ethics.

Jambura Journal of Mathematics (e-ISSN: 2656-1344) by Department of Mathematics Universitas Negeri Gorontalo is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Powered by Public Knowledge Project OJS. 

Editorial Office

Department of Mathematics, Faculty of Mathematics and Natural Science, Universitas Negeri Gorontalo
Jl. Prof. Dr. Ing. B. J. Habibie, Moutong, Tilongkabila, Kabupaten Bone Bolango, Gorontalo, Indonesia
Email: [email protected].