The first cohomology of the mapping class group with coefficients in algebraic functions on the SL2(C) moduli space
Algebraic and Geometric Topology, Tome 9 (2009) no. 2, pp. 1177-1199

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Consider a compact surface of genus at least two. We prove that the first cohomology group of the mapping class group with coefficients in the space of algebraic functions on the SL2(C) moduli space vanishes. In the genus one case, this cohomology group is infinite dimensional.

DOI : 10.2140/agt.2009.9.1177
Keywords: group cohomology, mapping class group, flat connection, moduli space

Andersen, Jørgen Ellegaard 1 ; Villemoes, Rasmus 1

1 Department of Mathematics, University of Aarhus, 8000 Aarhus C, Denmark
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Andersen, Jørgen Ellegaard; Villemoes, Rasmus. The first cohomology of the mapping class group with coefficients in algebraic functions on the SL2(C) moduli space. Algebraic and Geometric Topology, Tome 9 (2009) no. 2, pp. 1177-1199. doi: 10.2140/agt.2009.9.1177

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