Definitions from Wiktionary (Witt group)
▸ noun: (algebra) Given a field k of characteristic ≠ 2, the abelian group of equivalence classes of nondegenerate symmetric bilinear forms over k (where the equivalence relation is such that two forms are equivalent if each is obtainable from the other by adding a metabolic quadratic space), with the group operation corresponding to that of orthogonal direct sum of forms;
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▸ noun: (algebra) Given a field k of characteristic ≠ 2, the abelian group of equivalence classes of nondegenerate symmetric bilinear forms over k (where the equivalence relation is such that two forms are equivalent if each is obtainable from the other by adding a metabolic quadratic space), with the group operation corresponding to that of orthogonal direct sum of forms;
Similar:
Weyl group,
Brauer group,
Poincaré-Birkhoff-Witt theorem,
k-algebra,
Iwahori-Hecke algebra,
Kazhdan-Lusztig polynomial,
Killing form,
group of Lie type,
division algebra,
cycle group,
more...
Opposite:
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▸ Wikipedia articles (New!)
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▸ Rhymes of Witt group
▸ Invented words related to Witt group