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An Algebraic Characterisation of Chern Classes of Finite Group Representations

✍ Scribed by Kroll, O.


Book ID
120092404
Publisher
Oxford University Press
Year
1987
Tongue
English
Weight
70 KB
Volume
19
Category
Article
ISSN
0024-6093

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We give an algebraic proof of the Birman᎐Bers theoremᎏan algebraic result whose previous proofs used topology or analysis, and which says that a certain Ž . subgroup of finite index in the algebraic mapping class group of an oriented punctured surface is isomorphic to a certain group of automorphism