NSF award 2604101 · University of Colorado at Boulder

Universality in Chromatic Homotopy Theory

Final report due

29 December 2028

in 803 days · The award ends on 31 August 2028.

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award ending 2028-08-31 · Research.gov
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Extension request17 Jul 2028in 638 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Aug 2028in 673 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Dec 2028in 803 days
award ending 2028-08-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Dec 2028in 803 days
award ending 2028-08-31 · 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 August 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 December 2028.

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Award card

Award number: 2604101
Period of support: 1 Sep 2026 – 31 Aug 2028
Amount: $99,999
Awardee: University of Colorado at Boulder, Boulder, CO
Program: TOPOLOGY
Directorate: MPS

Abstract

Spheres are among the simplest and most basic geometric objects, and yet they yield certain invariants that serve as universal building blocks in topology. This project addresses a fundamental problem in modern mathematics: calculating these invariants, called the stable homotopy groups of the spheres. These groups record subtle features of geometric spaces that cannot be detected by more elementary algebraic…

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