Dans cet article on étudie certains aspects liés à la cohomologie des groupes et on construit une extension centrale du groupe symplectique .
In this paper we study some aspects of the cohomology of groups and we construct a central extension of the symplectic group .
DOI :
10.5802/aif.2037
Classification :
20J06, 11E08
Keywords: cocycle, $m$-dense, simplicial set, Lagrangian, transversal, symplectic group
Mot clés : Cocycle, $m$-dense, ensemble quasi-simplicial, Lagrangien, transverse, groupe symplectique
Keywords: cocycle, $m$-dense, simplicial set, Lagrangian, transversal, symplectic group
Mot clés : Cocycle, $m$-dense, ensemble quasi-simplicial, Lagrangien, transverse, groupe symplectique
Affiliations des auteurs :
Mazzoleni, Amedeo 1
@article{AIF_2004__54_4_875_0, author = {Mazzoleni, Amedeo}, title = {Partially defined cocycles and the {Maslov} index for a local ring}, journal = {Annales de l'Institut Fourier}, pages = {875--885}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {54}, number = {4}, year = {2004}, doi = {10.5802/aif.2037}, mrnumber = {2111015}, zbl = {1081.20061}, language = {en}, url = {http://www.numdam.org/articles/10.5802/aif.2037/} }
TY - JOUR AU - Mazzoleni, Amedeo TI - Partially defined cocycles and the Maslov index for a local ring JO - Annales de l'Institut Fourier PY - 2004 SP - 875 EP - 885 VL - 54 IS - 4 PB - Association des Annales de l’institut Fourier UR - http://www.numdam.org/articles/10.5802/aif.2037/ DO - 10.5802/aif.2037 LA - en ID - AIF_2004__54_4_875_0 ER -
%0 Journal Article %A Mazzoleni, Amedeo %T Partially defined cocycles and the Maslov index for a local ring %J Annales de l'Institut Fourier %D 2004 %P 875-885 %V 54 %N 4 %I Association des Annales de l’institut Fourier %U http://www.numdam.org/articles/10.5802/aif.2037/ %R 10.5802/aif.2037 %G en %F AIF_2004__54_4_875_0
Mazzoleni, Amedeo. Partially defined cocycles and the Maslov index for a local ring. Annales de l'Institut Fourier, Tome 54 (2004) no. 4, pp. 875-885. doi : 10.5802/aif.2037. http://www.numdam.org/articles/10.5802/aif.2037/
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