NSF award 2630020 · Villanova University

Rigidity Theorems for Lattices

Final report due

28 September 2027

in 345 days · The award ends on 31 May 2027.

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Decide about an extension31 Jan 2027in 105 days
award ending 2027-05-31 · Research.gov
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Extension request16 Apr 2027in 180 days
award ending 2027-05-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 May 2027in 215 days
award ending 2027-05-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Sep 2027in 345 days
award ending 2027-05-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Sep 2027in 345 days
award ending 2027-05-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Sep 2027in 345 days
award ending 2027-05-31 · 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 May 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 September 2027.

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Award card

Award number: 2630020
Period of support: 15 May 2026 – 31 May 2027
Amount: $394,473
Awardee: Villanova University, Villanova, PA
Program: GEOMETRIC ANALYSIS
Directorate: MPS

Abstract

The PI will investigate rigidity properties of hyperbolic manifolds. Hyperbolic manifolds are multi-dimensional shapes for which, when one stands at any point and looks in any pair of directions, the shape looks like a saddle. While such shapes can be hard to visualize in 3-dimensional Euclidean space, they are abundant in the study of geometry and represent the simplest examples of an important phenomenon called…

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