On logarithmic Poisson cohomology of a degenerate Poisson bivector in affine plane

Kamtila Kari, Iskamlé Bruno, Diekouam Fotso Luc Éméry +1

In this paper, we show that for a given degenerate bivector $\pi =y^n{\partial }_x\wedge {\partial }_y$ with $n>1$, the classical Poisson cohomology group and the logarithmic Poisson coho…