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ClosedDeadline extended (was Sep 25, 2018)Research announcementOpportunity PD-18-1268

Foundations

U.S. National Science Foundation

At a glance

Foundations is a closed federal grant opportunity from U.S. National Science Foundation. The application deadline was September 22, 2026. Total estimated funding is $2.3M across about 30 awards. 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

  1. Mar 29, 2018Posted
  2. Sep 22, 2026Application deadline
  3. Oct 26, 2028Archivednext date
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
$2,300,000
Implied average award
$76,667 calculated
Original deadline (extended)
Sep 25, 2018
Expected awards
30
Cost sharing
Not required
Funding instrument
Grant
Opportunity category
Discretionary

Typical awards for this program (SAM.gov listing for ALN 47.049, not this notice): Range Low: $2,773 Range High: $61,500,000 Average: $166,921

Implied average = estimated total funding ÷ expected number of awards, calculated by GrantsJunction. Actual awards vary.

Who can apply

  • Unrestricted (any entity type)

A quick check against the listed applicant types — other requirements in the notice still apply.

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 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.

Additional information from the agency ↗

Assistance Listing

What is an ALN?

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 “Foundations”?

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

How much funding is available through “Foundations”?

Per the notice, total estimated program funding is $2,300,000 and the agency expects to make about 30 awards.

How do I apply for “Foundations”?

Applications are submitted through the official source, not through GrantsJunction. Open the official notice on Grants.gov (opportunity PD-18-1268), 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.

OpenDeadline extendedResearchALN 47.041, 47.049…

GROWING CONVERGENCE RESEARCH (GCR)

U.S. National Science Foundation
Award range
$1.2M – $3.6M
Closes
Feb 8, 2027
Who can apply
Others (see notice)
Source: Grants.govVerified today
Closes todayDeadline extendedResearchALN 47.049

Algebra and Number Theory

U.S. National Science Foundation
Award range
Amount not specified
Closes
Oct 9, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today
Closes in 5 daysResearchALN 47.049

Mathematical Biology

U.S. National Science Foundation
Award range
Amount not specified
Closes
Oct 14, 2026
Who can apply
Unrestricted (any entity type)
Source: Grants.govVerified today