[U.S. National Science Foundation](https://www.nsf.gov)

September 22, 2026 (Full Proposals)

No specified ceiling or floor; typical NSF mathematics research grants range from 1–5 years in duration.

Supports research on discrete structures, including all areas of combinatorics and graph theory.

--- ## Description This program supports fundamental research in combinatorics, focusing on discrete structures and their properties. Areas of emphasis include algebraic, enumerative, existential, extremal, geometric, and probabilistic combinatorics, as well as graph theory. The program also supports conferences, workshops, and similar activities relevant to the field. Proposals for conferences must be submitted at least six months in advance, and within the same fiscal year if possible. --- ## Due Dates - Full proposal deadline: September 22, 2026 Conference proposals must be submitted at least six months before the event date and within the same fiscal year if possible. --- ## Funding Amount - No specified minimum or maximum (award floor or ceiling). - Typical NSF mathematics research grants range from 1–5 years in duration and are sized according to the scope and needs of the project. - No cost sharing or matching required. --- ## Eligibility - Unrestricted: Open to all applicants, including individuals, academic institutions, research organizations, and other entities. - Principal Investigators for conference proposals should consult the [Conferences and Workshops in the Mathematical Sciences](http://www.nsf.gov/funding/pgm_summ.jsp?pims_id=11701&org=DMS&from=home) program for additional requirements. --- ## Application Process - All proposals must be submitted via [Grants.gov](https://www.grants.gov/search-results-detail/302273) or [NSF FastLane/Research.gov](https://www.nsf.gov/funding/pgm_summ.jsp?pims_id=503570). - Proposals must comply with the [NSF Proposal & Award Policies & Procedures Guide (PAPPG)](https://www.nsf.gov/policies/pappg). - For conference proposals, submit at least six months in advance of the event and within the same fiscal year (beginning October 1). - Carefully follow the specific guidelines for the Combinatorics program and, if applicable, the conference and workshop solicitation. --- ## Additional Information - Recent updates to NSF research security policies, including training and certification requirements, apply to all awards. See [Important Notice No. 149](https://www.nsf.gov/notices/important/important-notice-no-149-updates-nsf-research-security/in149). - Review past awards for insight into funded projects: [Browse funded projects](https://www.nsf.gov/awardsearch/advancedSearchResult?ProgEleCode=797000&BooleanElement=Any&BooleanRef=Any&ActiveAwards=true#results). --- ## External Links - [NSF Combinatorics Program Page](https://www.nsf.gov/funding/opportunities/combinatorics) - [Grants.gov Opportunity Listing](https://www.grants.gov/search-results-detail/302273) - [NSF Program Description PD-18-7970](http://www.nsf.gov/funding/pgm_summ.jsp?pims_id=503570) - [NSF Proposal & Award Policies & Procedures Guide (PAPPG)](https://www.nsf.gov/policies/pappg/24-1) - [Conferences and Workshops in the Mathematical Sciences](http://www.nsf.gov/funding/pgm_summ.jsp?pims_id=11701&org=DMS&from=home) --- ## Contact Information | Name | Email | Phone | Division | |---------------------------|--------------------------------------|---------------|------------| | Stefaan De Winter | [sgdewint@nsf.gov](mailto:sgdewint@nsf.gov) | (703) 292-2599 | MPS/DMS | | Tomek Bartoszynski | [tbartosz@nsf.gov](mailto:tbartosz@nsf.gov) | (703) 292-4885 | MPS/DMS | | NSF Grants.gov Support | [grantsgovsupport@nsf.gov](mailto:grantsgovsupport@nsf.gov) | | |

Combinatorics

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