"Gysin Sequence of some Lie algebroids"

Lecture, Colloque Trajectorien, Strasbourg-Obernai, France 12-16 June 1995.
format dvi format ps publications

Assume that the isotropy Lie algebras g of a transitive Lie algebroid A fulfil the condition

H ^p(g) = 0 for 1 Ł p Ł n –1, n = dim g,

then the Gysin sequence of A is given. For details and applications see [37].