maximum principle

maximum principle

noun Mathematics.
the theorem that a function of a complex variable that is analytic in a domain and on its boundary attains its maximum absolute value on the boundary.
Also called maximum modulus principle.
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Encyclopedia Britannica
Encyclopedia

maximum principle

statement in the language of set theory, equivalent to the axiom of choice, that is often used to prove the existence of a mathematical object when it cannot be explicitly produced.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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