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

Time Traveler
The first known use of Banach algebra was in 1944

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Cite this Entry

“Banach algebra.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Banach%20algebra. Accessed 22 Feb. 2024.

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