Definition of Pontryagin. Meaning of Pontryagin. Synonyms of Pontryagin

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Definition of Pontryagin

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Meaning of Pontryagin from wikipedia

- Lev Semyonovich Pontryagin (Russian: Лев Семёнович Понтрягин, also written Pontriagin or Pontrjagin, first name sometimes anglicized as Leon) (3 September...
- mathematics, the Pontryagin classes, named after Lev Pontryagin, are certain characteristic classes of real vector bundles. The Pontryagin classes lie in...
- In mathematics, Pontryagin duality is a duality between locally compact abelian groups that allows generalizing Fourier transform to all such groups, which...
- Pontryagin's maximum principle is used in optimal control theory to find the best possible control for taking a dynamical system from one state to another...
- In mathematics, the Pontryagin product, introduced by Lev Pontryagin (1939), is a product on the homology of a topological space induced by a product on...
- either the Pontryagin–Kuratowski theorem or the Kuratowski–Pontryagin theorem, as the theorem was reportedly proved independently by Lev Pontryagin around...
- In mathematics, a Pontryagin cohomology operation is a cohomology operation taking cohomology classes in H2n(X,Z/prZ) to H2pn(X,Z/pr+1Z) for some prime...
- separable and metrizable X (see Urysohn's metrization theorem). The Nöbeling–Pontryagin theorem then states that such spaces with finite dimension are characterised...
- mathematics, the Thom space, Thom complex, or Pontryagin–Thom construction (named after René Thom and Lev Pontryagin) of algebraic topology and differential...
- The 3-adic integers, with selected corresponding characters on their Pontryagin dual group...