A surname.

A surname.

plural of Witte

(mining, UK, dialect, Cornwall) Tin ore freed from earthy matter by stamping.

(US, historical) A kind of streetcar distinguished from other streetcars of the era by its use of the center door as an exit only, with a conductor stationed inside just in front of the door.

A surname from Dutch. / A tiny city in Carroll County, Missouri, United States. / A village in Saline County, Nebraska, United States.

plural of Witt group

(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;

plural of Peter Witt

(mathematics) A result giving an explicit description of the universal enveloping algebra of a Lie algebra.