NSF award 2524159 · Sam Houston State University

PRIMES: Geometry, Topology, and Dynamics of Higher Rank Character Varieties.

Final report due

29 April 2028

in 559 days · The award ends on 31 December 2027.

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Decide about an extension2 Sep 2027in 319 days
award ending 2027-12-31 · Research.gov
This one is ours, not NSF’s.
Extension request16 Nov 2027in 394 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Dec 2027in 429 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Apr 2028in 559 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Apr 2028in 559 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Apr 2028in 559 days
award ending 2027-12-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 December 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 April 2028.

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Award card

Award number: 2524159
Period of support: 1 Jan 2026 – 31 Dec 2027
Amount: $376,177
Awardee: Sam Houston State University, Huntsville, TX
Program: INFRASTRUCTURE PROGRAM
Directorate: MPS

Abstract

At very small scales, a surface looks like a flat, two-dimensional plane. But when you zoom out, it can take on much more complicated shapes, like the curved surface of the Earth or a pretzel. This topological complexity is described mathematically by an algebraic object called the fundamental group of the surface. In mathematics, as well as in physics, studying how this fundamental group can act as symmetries of…

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