ClosedOpportunity PD-18-7970

Combinatorics

At a glance

Combinatorics is a closed federal grant opportunity from U.S. National Science Foundation. The application deadline was September 22, 2026. The notice is unrestricted by applicant type, subject to any clarifications in the notice. Cost sharing is not required. It is funded under Assistance Listing 47.049 (Mathematical and Physical Sciences).

Summary assembled from the official notice's fields. The official notice governs.

Key facts

Posted: Mar 29, 2018
Close date: Sep 22, 2026
Archive date: Oct 26, 2028
Award floor: Not specified
Award ceiling: Not specified
Est. total funding: Not specified
Expected awards: Not specified
Cost sharing: Not required
Funding instrument: Grant
Opportunity category: Discretionary

Who can apply

Unrestricted (any entity type)

Based on the published notice. Review the official notice for complete eligibility requirements.

What it funds

Official synopsis as published by the agency, formatted for readability.

The Combinatorics program supports research on discrete structures and includes algebraic, enumerative, existential, extremal, geometric, and probabilistic combinatorics, including graph theory.

Conferences

Principal Investigators should carefully read the program solicitation "Conferences and Workshops in the Mathematical Sciences" (link below) to obtain important information regarding the substance of proposals for conferences, workshops, summer/winter schools, and similar activities. Conference proposals must be submitted at least six months in advance of the conference, and in the same fiscal year (which begins October 1) if possible.

Additional information from the agency ↗

Assistance Listing

What is an ALN?

47.049Mathematical and Physical SciencesProgram →

Reported obligations under ALN 47.049

Historical data · not a prediction

FY24

$1.54B

FY25

$1.54B

FY26

$512M est.

Source: SAM.gov Assistance Listing 47.049. Program-wide totals, not awards from this specific opportunity.

Agency contact (as published)

U.S. National Science Foundation
grantsgovsupport@nsf.gov
703-292-4203

Quick answers

Who is eligible to apply for “Combinatorics”?

The notice lists eligibility as unrestricted — open to any type of entity — subject to clarifications in the notice's additional eligibility information.

How do I apply for “Combinatorics”?

Applications are submitted through the official source, not through GrantsJunction. Open the official notice on Grants.gov (opportunity PD-18-7970), and review the full announcement and application package. Organizations applying through Grants.gov generally need an active SAM.gov registration and a Grants.gov account, which can take several weeks to set up.

Matched on shared Assistance Listings, agency, categories and eligible applicant types.

Closes in 1 dayALN 47.049