Closes in 1 dayOpportunity PD-20-1264

Algebra and Number Theory

At a glance

Algebra and Number Theory is an open federal grant opportunity from U.S. National Science Foundation. Applications are due October 9, 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: Oct 6, 2020
Close date: Oct 9, 2026
Archive date: Nov 8, 2026
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 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.

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

When is the deadline for “Algebra and Number Theory”?

According to the official notice, applications are due October 9, 2026. The notice adds: “Second Friday of October” Confirm the deadline and submission time on Grants.gov before applying.

Who is eligible to apply for “Algebra and Number Theory”?

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 “Algebra and Number Theory”?

Applications are submitted through the official source, not through GrantsJunction. Open the official notice on Grants.gov (opportunity PD-20-1264), 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 6 daysALN 47.049