# Banach algebra

banach algebra

mathematics

An algebra in which the vector space is a Banach space.

(1997-02-25)

Tagged: b

Read Also:

- Banach inverse mapping theorem
banach inverse mapping theorem mathematics In a Banach space the inverse to a continuous linear mapping is continuous. (1998-06-25)

- Banach space
a vector space on which a norm is defined that is complete. mathematics A complete normed vector space. Metric is induced by the norm: d(x,y) = ||x-y||. Completeness means that every Cauchy sequence converges to an element of the space. All finite-dimensional real and complex normed vector spaces are complete and thus are Banach spaces. […]

- Banach-tarski paradox
banach-tarski paradox mathematics It is possible to cut a solid ball into finitely many pieces (actually about half a dozen), and then put the pieces together again to get two solid balls, each the same size as the original. This paradox is a consequence of the Axiom of Choice. (1995-03-29)

- Banak
noun a tree of the genus Virola, of Central America: family Myristicaceae the timber of this tree, used esp in Honduras for turning and construction Historical Examples (Shoshoni and banak I.) “From the custom of piercing the noses for the reception of ornaments.” Sign Language Among North American Indians Compared With That Among Other Peoples […]