NSF award 2641709 · Columbia University

Unitary Representations of Real Reductive Groups and Mixed Hodge Modules

Final report due

28 November 2027

in 406 days · The award ends on 31 July 2027.

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Decide about an extension2 Apr 2027in 166 days
award ending 2027-07-31 · Research.gov
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Extension request16 Jun 2027in 241 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jul 2027in 276 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Nov 2027in 406 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Nov 2027in 406 days
award ending 2027-07-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Nov 2027in 406 days
award ending 2027-07-31 · 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 July 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 November 2027.

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Award card

Award number: 2641709
Period of support: 1 Jul 2026 – 31 Jul 2027
Amount: $139,915
Awardee: Columbia University, NEW York, NY
Program: ALGEBRA,NUMBER THEORY,AND COM
Directorate: MPS

Abstract

Representation theory can be broadly understood as the mathematical study of symmetry. The symmetries that arise in quantum mechanics are called "unitary representations." One of the major unsolved problems in representation theory is to classify unitary representations. This problem has driven a considerable portion of all research in representation theory over the past eighty years; its solution would have…

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