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The Manin–Mumford Conjecture: A Brief Survey

The Manin–Mumford Conjecture: A Brief Survey Abstract The Manin–Mumford conjecture asserts that if K is a field of characteristic zero, C a smooth proper geometrically irreducible curve over K , and J the Jacobian of C , then for any embedding of C in J , the set C ( K )∩ J ( K ) tors is finite. Although the conjecture was proved by Raynaud in 1983, and several other proofs have appeared since, a number of natural questions remain open, notably concerning bounds on the size of the intersection and the complete determination of C ( K )∩ J ( K ) tors for special families of curves C . The first half of this survey paper presents the Manin–Mumford conjecture and related general results, while the second describes recent work mostly dealing with the above questions. 1991 Mathematics Subject Classification 11G10, 11G30, 11G35, 14G25, 14H25, 14H40. © London Mathematical Society http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the London Mathematical Society Oxford University Press

The Manin–Mumford Conjecture: A Brief Survey

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References (72)

Publisher
Oxford University Press
Copyright
© London Mathematical Society
ISSN
0024-6093
eISSN
1469-2120
DOI
10.1112/S0024609300007578
Publisher site
See Article on Publisher Site

Abstract

Abstract The Manin–Mumford conjecture asserts that if K is a field of characteristic zero, C a smooth proper geometrically irreducible curve over K , and J the Jacobian of C , then for any embedding of C in J , the set C ( K )∩ J ( K ) tors is finite. Although the conjecture was proved by Raynaud in 1983, and several other proofs have appeared since, a number of natural questions remain open, notably concerning bounds on the size of the intersection and the complete determination of C ( K )∩ J ( K ) tors for special families of curves C . The first half of this survey paper presents the Manin–Mumford conjecture and related general results, while the second describes recent work mostly dealing with the above questions. 1991 Mathematics Subject Classification 11G10, 11G30, 11G35, 14G25, 14H25, 14H40. © London Mathematical Society

Journal

Bulletin of the London Mathematical SocietyOxford University Press

Published: Nov 1, 2000

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