Instructions to Authors

Email submission

We encourage manuscript submission to “Notes on Number Theory and Discrete Mathematics” by email: nntdm.journal@gmail.com . Please send your manuscript in PDF format, no more than 20 pages long, formatted according to the Journal requirements and templates (see below), and accompanied by a cover letter with a signed declaration of originality and authorship.

In response, the Journal’s technical editor will notify you about your submission’s ID number. Please refer to this number in future correspondence.

Please refrain from submitting additional papers while your current submission is under review. Only one manuscript may be submitted at a time.

Submissions that fail to comply with the above requirements will not be handled by editors and not assigned for peer review, until the authors do the needful. Additional details regarding the antiplagiarism checks of the submissions are given below.

Submission templates

Authors are requested to prepare their manuscripts in LaTeX (.tex) or MS Word (.docx) in the following templates. We highly recommend the use of LaTeX.

Long-standing open problems and significant results

Similarly to other journals in the area of Number Theory, NNTDM has a policy regarding submissions that claim to resolve long-standing unsolved problems (e.g., Goldbach’s conjecture, Beal’s conjecture; infinitely many twin primes; Riemann hypothesis; 3x+1 or “Collatz” problem) or achieve a major result—such as Fermat’s Last Theorem—must be  accompanied by a physical letter (not an email), written and signed by a Ph.D. mathematician, unaffiliated with the paper as an author, who possesses relevant expertise and holds an academic position at a university or research institute. The letter must be signed on an official institutional letterhead and sent via standard postal mail. It should state that the mathematician has read the paper, fully understands its arguments, and affirms its correctness.

Postal address:
Krassimir Atanassov, Editorial Office of NNTDM
Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences
105, Acad. Georgi Bonchev Str., Sofia 1113, Bulgaria

Antiplagiarism check

As of September 2022, Journal “Notes on Number Theory and Discrete Mathematics” has been provided access to a popular plagiarism detection software tool to verify the originality and authorship of the manuscripts submitted to the Journal.

In due time after the submission, a Technical Editor will perform the antiplagiarism check. Depending on the manuscript’s similarity scores produced by the tool, the manuscript will either be returned to the authors for correction, or it will be desk rejected on the basis of the Journal’s Publication Ethics Policy.

Note: Submissions that have been deposited in preprint repositories prior to the check tend to exhibit very high similarity scores and thus invalidate the quality plagiarism check process. For this reason, while we do not forbid that submissions get deposited in preprint repositories or institutional websites, we require authors to do so only after making the submission to NNTDM and after being informed about the results of the antiplagiarism check.

Use of ChatGPT

Authors are not allowed to use ChatGPT or any large language model to write their manuscripts. Submissions must reflect the authors’ original input and understanding, and reliance on AI-generated content undermines the integrity and authenticity expected in scholarly research.

Proposed potential reviewers

Authors are welcome to suggest two or three names of potential reviewers with their Scopus profiles and email addresses. Please note that these potential reviewers shall not share the same affiliation and country of residence with any of the coauthors of the submitted manuscript. Further, a Scopus h-index of at least 5 is required. However, NNTDM reserves the right to invite for reviewers other specialists than those proposed.

Peer review process

Manuscripts submitted to “Notes on Number Theory and Discrete Mathematics” are subject to peer review by at least two independent reviewers. Final decision is taken by an Editor-in-Chief in consultation with members of the Editorial Board.

Papers will only be considered if the content is substantially new, original material which has not been published elsewhere, has not been submitted concurrently elsewhere, nor is likely to be published substantially in the same form elsewhere.

Read our full Publishing Ethics Policy.

NNTDM reserves the right to conduct a preliminary screening (triage) of the manuscripts and desk reject without further peer review any submissions that are out of the thematic scope of the Journal, not formatted in accordance with the Journal’s templates and requirements, or feature content below the level of a scientific journal.

Authors’ copyrights

Authors, whose papers are published, retain their copyright. Journal readers are allowed to read, download, print, search, link to the full texts of the papers, and use them for any lawful purpose.

As of 2023, NNTDM has officially embraced the Golden Open Access license Creative Commons Attribution 4.0 International License (CC BY 4.0).

Users are free to:

  • Adapt – remix, transform, and build upon the material for any purpose, even commercially.

Under the following terms:

  • Attribution – Users must give appropriate credit, provide a link to the license, and indicate if changes were made. Users may do so in any reasonable manner, but not in any way that suggests the licensor endorses the user or their use.

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