English Explanatory Dictionary

Donaldson-Thomas invariant

English dictionary entry

Meanings

noun
  1. Given a compact moduli space of sheaves on a Calabi-Yau threefold, its Donaldson-Thomas invariant is the virtual number of its points, i.e., the integral of the cohomology class 1 against the virtual fundamental class.

Word forms

Donaldson-Thomas invariant Donaldson-Thomas invariants

Etymology

Introduced in 1998 by Simon Donaldson and Richard Thomas.

Related words

Donaldson-Thomas theory
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