Une construction intrinsèque du cœur de l'invariant de Casson
Annales de l'Institut Fourier, Tome 51 (2001) no. 6, pp. 1741-1761.

Nous donnons une nouvelle construction cohomologique du cœur de l'invariant de Casson et nous donnons un nouveau calcul de ses valeurs sur les générateurs du sous- groupe de Johnson du mapping class group.

We give a new cohomological construction of the core of Casson's invariant and give a new computation of its values on the generators of the Johnson subgroup of the mapping class group.

DOI : 10.5802/aif.1873
Classification : 57M27, 20J05
Mot clés : invariant de Casson, groupe de Torelli, mapping class group
Keywords: Casson invariant, Torelli group, mapping class group
Pitsch, Wolfgang 1

1 Université de Lausanne, Institut de Mathématiques, Bâtiment de Chimie BCH, 1015 Lausanne (Suisse)
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Pitsch, Wolfgang. Une construction intrinsèque du cœur de l'invariant de Casson. Annales de l'Institut Fourier, Tome 51 (2001) no. 6, pp. 1741-1761. doi : 10.5802/aif.1873. http://archive.numdam.org/articles/10.5802/aif.1873/

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