It is shown that if $A$ is a commutative Banach algebra and $B$ a faithful $A$-algebra finitely generated and projective as an $A$-module then $B$ can be endowed with a structure of Banach algebra extending that of $A$.
Keywords:
Banach algebra Mathematics Commutative property Pure mathematics Division algebra Algebra over a field Projective test Algebra representation Banach space
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Topics
Advanced Topics in Algebra
Physical Sciences → Mathematics → Algebra and Number Theory