Abstract
A smooth envelope of a topological algebra is introduced, and the following result is announced: the smooth envelope of a given subalgebra A in C ∞(M) coincides with C ∞(M) if and only if A has the same tangent bundle as M.
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Akbarov, S.S. C ∞(M) as a smooth envelope of its subalgebras. Math Notes 97, 489–492 (2015). https://doi.org/10.1134/S0001434615030207
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DOI: https://doi.org/10.1134/S0001434615030207