Commutant

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The subset of all elements of a semigroup that commute with the elements of a given subset

    "The basic mathematical entity to be used here in elucidating the different senses of superselection rules is a von Neumann algebra #123;#92;mathfrak#123;M"

Example

More examples

"The basic mathematical entity to be used here in elucidating the different senses of superselection rules is a von Neumann algebra #123;#92;mathfrak#123;M"

Etymology

From commute + -ant.

Related phrases

commutant lifting theorem

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.