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On the independence of the generators of tautological rings

Part of: Curves

Published online by Cambridge University Press:  01 November 2008

D. Arcara  and
Y.-P. Lee
D. Arcara
Affiliation:
Department of Mathematics, St. Vincent College, Latrobe, PA 15650-2690, USA (email: [email protected])
Y.-P. Lee
Affiliation:
Department of Mathematics, University of Utah, Salt Lake City, UT 84112-0090, USA (email: [email protected])
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Abstract

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We prove that all monomials of κ-classes and ψ-classes are independent in for all . We also give a simple argument for in Rl(ℳg) for .

Keywords

moduli of curvestautological rings

MSC classification

Secondary: 14H10: Families, moduli (algebraic)
Type
Research Article
Information
Compositio Mathematica , Volume 144 , Issue 6 , November 2008 , pp. 1497 - 1503
Copyright
Copyright © Foundation Compositio Mathematica 2008