• a Witt vector is an infinite sequence of elements of a commutative ring. Ernst Witt showed how to put a ring structure on the set of Witt vectors, in...
    35 KB (7,389 words) - 06:45, 24 August 2023
  • In mathematics, the complex Witt algebra, named after Ernst Witt, is the Lie algebra of meromorphic vector fields defined on the Riemann sphere that are...
    3 KB (348 words) - 17:21, 13 May 2023
  • In mathematics, Witt vector cohomology was an early p-adic cohomology theory for algebraic varieties introduced by Serre (1958). Serre constructed it...
    1 KB (172 words) - 01:48, 28 July 2019
  • of rotations is not. Spinors are elements of a vector subspace of some Clifford algebra. Witt vector, an infinite sequence of elements of a commutative...
    10 KB (2,690 words) - 01:50, 6 October 2024
  • Shirshov–Witt theorem Witt algebra Witt decomposition Witt design (Witt geometry) Witt group Witt index Witt polynomial Witt ring Grothendieck-Witt ring Witt scheme...
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  • Thumbnail for Christopher Deninger
    worked together on Witt vectors. In two papers around 2014, they simplified the theory by giving a presentation of the ring of Witt vectors in terms of a completion...
    29 KB (3,515 words) - 19:44, 5 January 2024
  • Thumbnail for Bhargav Bhatt (mathematician)
    S2CID 119143902. Bhatt, Bhargav; Scholze, Peter (2017). "Projectivity of the Witt vector affine Grassmannian". Inventiones Mathematicae. 209 (2): 329–423. arXiv:1507...
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  • Thumbnail for Ernst Witt
    1991, shortly after his 80th birthday. Witt's work has been highly influential. His invention of the Witt vectors clarifies and generalizes the structure...
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  • mathematics, a Witt ring may be A ring of Witt vectors The Witt ring (forms), a ring structure on the Witt group of symmetric bilinear forms See also Witt algebra...
    227 bytes (66 words) - 21:00, 30 December 2019
  • characteristic p of p-power degree (not just degree p itself), using Witt vectors, developed by Witt (1936). Artin, Emil; Schreier, Otto (1927), "Eine Kennzeichnung...
    3 KB (466 words) - 16:54, 3 November 2021