G. Peter Scott

Born|

Godfrey Peter Scott

1944 (1944)

England

Died| September 19, 2023(2023-09-19) (aged 78–79)

Michigan, United States

Other names| Peter Scott
Alma mater| University of Oxford
University of Warwick
Known for| Scott core theorem
Awards| Senior Berwick Prize
Fellow of the American Mathematical Society
Scientific career
Fields| Mathematics
Institutions| University of Liverpool
University of Michigan
Thesis| Some Problems in Topology (1969)
Doctoral advisor| Brian Joseph Sanderson

Godfrey Peter Scott, known as Peter Scott, (1944 – 19 September 2023) was a British-American mathematician, known for the Scott core theorem.

## Contents

* 1 Education and career
* 2 Awards and honours
* 3 Death
* 4 Selected publications
* 5 References

## Education and career

He was born in England to Bernard Scott (a mathematician) and Barbara Scott (a poet and sculptor). After attending St Paul's School, London[1] and completing his BA at the University of Oxford,[2] Peter Scott received his PhD in 1969 from the University of Warwick under Brian Joseph Sanderson, with thesis Some Problems in Topology.[3] Scott held appointments at the University of Liverpool from 1968 to 1987, at which time he moved to the University of Michigan, where he was a professor until his retirement in 2018.[2]

His research dealt with low-dimensional geometric topology, differential geometry, and geometric group theory. He has done research on the geometric topology of 3-dimensional manifolds, 3-dimensional hyperbolic geometry, minimal surface theory, hyperbolic groups, and Kleinian groups with their associated geometry, topology, and group theory.

In 1973, he proved what is now known as the Scott core theorem or the Scott compact core theorem. This states that every 3-manifold M with finitely generated fundamental group has a compact core N, i.e., N is a compact submanifold such that inclusion induces a homotopy equivalence between N and M; the submanifold N is called a Scott compact core of the manifold M.[4] He had previously proved that, given a fundamental group G of a 3-manifold, if G is finitely generated then G must be finitely presented.

## Awards and honours

In 1986, he was awarded the Senior Berwick Prize by the London Mathematical Society.[2] In 2013, he was elected a Fellow of the American Mathematical Society.[5]

## Death

Scott died of cancer on 19 September 2023.[2]

## Selected publications

* Compact submanifolds of 3-manifolds, Journal of the London Mathematical Society. Second Series vol. 7 (1973), no. 2, 246–250 (proof of the theorem on the compact core) doi:10.1112/jlms/s2-7.2.246
* Finitely generated 3-manifold groups are finitely presented. J. London Math. Soc. Second Series vol. 6 (1973), 437–440 doi:10.1112/jlms/s2-6.3.437
* Subgroups of surface groups are almost geometric. J. London Math. Soc. Second Series vol. 17 (1978), no. 3, 555–565. (proof that surface groups are LERF) doi:10.1112/jlms/s2-17.3.555
* Correction to "Subgroups of surface groups are almost geometric J. London Math. Soc. vol. 2 (1985), no. 2, 217–220 doi:10.1112/jlms/s2-32.2.217
* There are no fake Seifert fibre spaces with infinite π1. Annals of Mathematics Second Series, vol. 117 (1983), no. 1, 35–70 doi:10.2307/2006970
* Freedman, Michael; Hass, Joel; Scott, Peter (1982). "Closed geodesics on surfaces". Bulletin of the London Mathematical Society 14 (5): 385–391. doi:10.1112/blms/14.5.385.
* Freedman, Michael; Hass, Joel; Scott, Peter (1983). "Least area incompressible surfaces in 3-manifolds". Inventiones Mathematicae 71 (3): 609–642. doi:10.1007/BF02095997. Bibcode: 1983InMat..71..609F.
* with William H. Meeks: Finite group actions on 3-manifolds. Invent. Math. vol. 86 (1986), no. 2, 287–346 doi:10.1007/BF01389073
* Introduction to 3-Manifolds, University of Maryland, College Park 1975
* Scott, Peter (1983). "The Geometries of 3-Manifolds". Bulletin of the London Mathematical Society 15 (5): 401–487. doi:10.1112/blms/15.5.401. http://www.math.lsa.umich.edu/~pscott/8geoms.pdf.
* with Gadde A. Swarup: Regular neighbourhoods and canonical decompositions for groups, Société Mathématique de France, 2003
* with Gadde A. Swarup: Regular neighbourhoods and canonical decompositions for groups, Electron. Res. Announc. Amer. Math. Soc. vol. 8 (2002), 20–28 doi:10.1090/S1079-6762-02-00102-6

## References

1. ↑ "p57, Atrium, Old Pauline News, Spring/Summer 2024" (in en-GB). https://issuu.com/stpaulsschoollondon/docs/atrium-spring-summer-2024_st-pauls-school_final_di.
2. ↑ 2.0 2.1 2.2 2.3 "G. Peter Scott, 1944–2023". University of Michigan. https://lsa.umich.edu/math/news-events/all-news/search-news/peter-scott-1944-2023.html.
3. ↑ G. Peter "Godfrey" Scott at the Mathematics Genealogy Project
4. ↑ Kapovich, Michael (2009). Hyperbolic Manifolds and Discrete Groups. p. 113. ISBN 9780817649135. https://books.google.com/books?id=JRJ8VmfP-hcC&pg=PA113.
5. ↑ "List of Fellows of the American Mathematical Society". American Mathematical Society. http://www.ams.org/cgi-bin/fellows/fellows.cgi.

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