Closed · PD-18-1268 · CFDA 47.049 · Discretionary

Foundations

Federal grant opportunity posted by U.S. National Science Foundation, cataloged on Grants.gov.

Varies
Award range
Closed
Status
September 22, 2026
Close date
30
Expected awards

The verdict

Foundations is a closed discretionary listing from U.S. National Science Foundation that offered Varies by applicant across 30 expected awards. Future funding cycles may be published under the same CFDA number. PlainGrants indexes 1,338 other opportunities from U.S. National Science Foundation.

Varies
award range
Closed
application status
30
expected awards
47.049
CFDA program

Recently closed NOFO

This listing closed on September 22, 2026. Watch CFDA 47.049 (Mathematical and Physical Sciences) for the next funding cycle. Historical award band was Varies by applicant.

According to Grants.gov (extract vintage 2026-08-10), this record reflects the officially published listing. See methodology.

Deadline tracker

Application window closed

Closed September 22, 2026

Posted Mar 29 Closes Sep 22

Est. Total Funding

$2,300,000

Expected Awards

30

Instrument

Grant

Description

The program in Foundations supports research in mathematical logic and the foundations of mathematics, including proof theory, recursion theory, model theory, set theory, and infinitary combinatorics. 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 and workshop proposals should be submitted eight months before the requested start date.

Catch-all / unrestricted eligibility mark · PD-18-1268

Grants.gov marks Foundations with a catch-all / unrestricted eligibility code (Unrestricted / see official listing). Read the official announcement text for the real applicant filter — the code alone is not a door list. The extract does not mark applicant cost-sharing as required. Instrument: Grant. Funding-activity code maps to Science and Technology / R&D (ST). This eligibility-code string dominates the U.S. National Science Foundation book (614 peers, 46% of 1,339).

Code 99
Unrestricted / see official listing

Codes are Grants.gov eligibility category values from the extract vintage 2026-08-10. Confirm the full eligibility statement on the official listing or the Grants.gov eligibility reference.

Official Listing on Grants.gov

View full details, application forms, and submission instructions.

View on Grants.gov

Parent Grant Program

CFDA 47.049

Mathematical and Physical Sciences

National Science Foundation

View program →

Agency Contact

NSF grants.gov support grantsgovsupport@nsf.gov

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What to do next

Foundations is closed; use the parent program and agency catalog for the next funding cycle.

  • Parent CFDA 47.049 may publish future NOFOs under the same assistance listing. Open program
  • Mathematical and Physical Sciences indexes 210 Grants.gov listings in this extract. Program profile
  • U.S. National Science Foundation lists 1,338 other indexed opportunities on PlainGrants. Agency catalog

Opportunity deadlines and eligibility change on Grants.gov; PlainGrants mirrors the extract and is not the submission system.

Disclaimer: This information is sourced from Grants.gov and SAM.gov and is for informational purposes only. Opportunity details, deadlines, and eligibility requirements change frequently. Always verify current information directly on Grants.gov before applying. PlainGrants is not affiliated with any federal agency.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from the SAM.gov Assistance Listings and Grants.gov. See our methodology for details. Retrieved and formatted by PlainGrants