Banach algebra

noun

Ba·​nach algebra

ˈbä-ˌnäk-,

-nək-,

-ˌnäḵ-,

-nəḵ-

: 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

Word History

Etymology

after Stefan Banach †1945 Polish mathematician

First Known Use

1944, in the meaning defined above

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