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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Origin and Etymology of banach algebra
after Stefan Banach †1945 Polish mathematician
First Known Use: 1944See Words from the same year
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