A Crossed Module giving the Godbillon-Vey Cocycle
Wagemann, Friedrich
arXiv, 0003034 / Harvested from arXiv
Text on arXiv
We find crossed modules, i.e. certain 4 term exact sequences, associated to the Godbillon-Vey class for W_1, Vect(S^1), Vect_{1,0}(\Sigma) and Hol(\Sigma_r), i.e. for the Lie algebras of formal vector fields in 1 variable, vector fields on the circle, differentiable vector fields of holomorphic type on a Riemann surface and holomorphic vector fields on an open Riemann surface.
Publié le : 2000-03-27
Classification:  Mathematical Physics,  Mathematics - Quantum Algebra,  17B56, 17B65, 17B66, 17B68 
@article{0003034,
     author = {Wagemann, Friedrich},
     title = {A Crossed Module giving the Godbillon-Vey Cocycle},
     journal = {arXiv},
     volume = {2000},
     number = {0},
     year = {2000},
     language = {en},
     url = {http://dml.mathdoc.fr/item/0003034}
}

Wagemann, Friedrich. A Crossed Module giving the Godbillon-Vey Cocycle. arXiv, Tome 2000 (2000) no. 0, . http://gdmltest.u-ga.fr/item/0003034/