Banach algebra

noun
Ba·​nach algebra | \ˈbä-ˌnäk-, -nək-, -ˌnäḵ-, -nəḵ-\

Definition of Banach algebra 

: a linear algebra over the field of real or complex numbers that is also a Banach space for which the norm of the product of x and y is less than or equal to the product of the norm of x and the norm of y for all x and y belonging to it

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First Known Use of Banach algebra

1944, in the meaning defined above

History and Etymology for Banach algebra

after Stefan Banach †1945 Polish mathematician

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Banach algebra

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The first known use of Banach algebra was in 1944

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