Closed · PD-20-1264 · CFDA 47.049 · Discretionary

Algebra and Number Theory

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

Varies
Award range
Closed
Status
October 9, 2026
Close date
-
Expected awards

The verdict

Algebra and Number Theory is a closed discretionary listing from U.S. National Science Foundation that offered Varies by applicant. 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
47.049
CFDA program
1,338
other opportunities from U.S. National Science Foundation

Recently closed NOFO

This listing closed on October 9, 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 October 9, 2026

Posted Oct 6 Closes Oct 9

Instrument

Grant

Description

The Algebra and Number Theory program supports research in algebra, algebraic and arithmetic geometry, number theory, and representation theory. Conference proposals The Algebra and Number Theory program also provides support for conferences, workshops, summer/winter schools, and similar activities. Proposals should be submitted to PD 20-1264 using the "Conference" proposal type in research.gov. Proposals with budgets not exceeding $50,000, which in accordance with NSF policy can be reviewed internally, should be submitted: in May for events that will take place in January through April of the following year in October for events that will take place in May through December of the following year. In order to allow time for external review, proposals with budget requests exceeding $50,000 should be submitted nine to twelve months before the event is scheduled to take place.

Catch-all / unrestricted eligibility mark · PD-20-1264

Grants.gov marks Algebra and Number Theory 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

More from U.S. National Science Foundation

Open Closes November 4, 2026

U.S. National Science Foundation State and Regional Artificial Intelligence Infrastructure Hubs:

View →
Open Closes November 4, 2026

Unlocking Dataset Value for AI-Enabled Scientific Discovery (AI Datasets)

View →
Closed Closed October 9, 2026

Engineering Research Initiation

View →
Open Closes November 4, 2026

NSF Small Business Innovation Research / Small Business Technology Transfer Phase I, Phase II, Fast-Track Programs: A Pilot Emphasis on Scientific Instrumentation

View →
Closed Closed October 1, 2026

EDU Core Research

View →

What to do next

Algebra and Number Theory 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