NSF award 2543889 · University of Oregon Eugene

CAREER: Dehn Surgery and the Homology Cobordism Group

Final report due

28 October 2031

in 1,836 days · The award ends on 30 June 2031.

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Decide about an extension2 Mar 2031in 1596 days
award ending 2031-06-30 · Research.gov
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Extension request16 May 2031in 1671 days
award ending 2031-06-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Jun 2031in 1706 days
award ending 2031-06-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Oct 2031in 1836 days
award ending 2031-06-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Oct 2031in 1836 days
award ending 2031-06-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Oct 2031in 1836 days
award ending 2031-06-30 · 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 30 June 2031.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 October 2031.

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Award card

Award number: 2543889
Period of support: 1 Jul 2026 – 30 Jun 2031
Amount: $450,000
Awardee: University of Oregon Eugene, Eugene, OR
Program: TOPOLOGY
Directorate: MPS

Abstract

This project focuses on advancing a subfield of mathematics called low-dimensional topology. Low-dimensional topology is the study 3 and 4-dimensional shapes. Many familiar objects and phenomena can be described in terms of 3-dimensional and 4-dimensional shapes. For example, we naturally think of the world we live in as a 3-dimensional object. However, it is not static in time. Therefore, it is helpful to add an…

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