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On Continuous and Differential Hochschild Cohomology
Authors:Nadaud  Françcois
Abstract:We show that there are canonical isomorphisms between Hochschild cohomology spaces 
$$H_{{\text{cont}}}^{\text{*}} (\mathcal{A},\mathcal{A}) = H_{{\text{diff}}}^{\text{*}} (\mathcal{A},\mathcal{A}) = \mathcal{V}^* $$
, where 
$${\mathcal{A}}$$
is the algebra of smooth functions on a manifold M and 
$${\mathcal{V}}^* $$
the space of skew multivector fields over M. This implies that continuous and differential deformation theories of 
$${\mathcal{A}}$$
coincide.
Keywords:Hochschild cohomology  deformations  
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