English Explanatory Dictionary

commutator length

English dictionary entry

Meanings

noun
  1. The number of multiplicands needed, at a minimum, to express a given group element as a product of commutators.
  2. The supremum, over all elements of a given group's derived subgroup, of their commutator lengths.

Word forms

commutator length commutator lengths

Derived words

stable commutator length
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