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

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now