The existence and classification of couplings between Lie algebroids and tangent bundlesстатья
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Аннотация:In this paper we investigate the existence and classification of couplings between
Lie algebra bundles and tangent bundles. We first give a sufficient and necessary
condition on the existence of coupling between Lie algebra bundle (LAB) and
the tangent bundle; i.e., we define a new topology on the group Aut g of all
automorphisms of the Lie algebra g, denoted by Aut g^δ, and show that the tangent
bundle TM can be coupled with the Lie algebra bundle L if and only if L admits a
local trivial structure with structural group endowed with such new topology. Then
we show that there is a bijection between Coup_g(M) the set of all isomorphism
classes of couplings (L, Ξ) and the set LAB^δ_g(M) of isomorphism classes of g-bundles
with structural group Aut g^δ.