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Bott periodicity theorem information


In mathematics, the Bott periodicity theorem describes a periodicity in the homotopy groups of classical groups, discovered by Raoul Bott (1957, 1959), which proved to be of foundational significance for much further research, in particular in K-theory of stable complex vector bundles, as well as the stable homotopy groups of spheres. Bott periodicity can be formulated in numerous ways, with the periodicity in question always appearing as a period-2 phenomenon, with respect to dimension, for the theory associated to the unitary group. See for example topological K-theory.

There are corresponding period-8 phenomena for the matching theories, (real) KO-theory and (quaternionic) KSp-theory, associated to the real orthogonal group and the quaternionic symplectic group, respectively. The J-homomorphism is a homomorphism from the homotopy groups of orthogonal groups to stable homotopy groups of spheres, which causes the period 8 Bott periodicity to be visible in the stable homotopy groups of spheres.

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Bott periodicity theorem

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mathematics, the Bott periodicity theorem describes a periodicity in the homotopy groups of classical groups, discovered by Raoul Bott (1957, 1959), which...

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Raoul Bott

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known for his Bott periodicity theorem, the Morse–Bott functions which he used in this context, and the Borel–Bott–Weil theorem. Bott was born in Budapest...

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Periodicity

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Look up periodicity or periodic in Wiktionary, the free dictionary. Periodicity or periodic may refer to: Bott periodicity theorem, addresses Bott periodicity:...

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Symmetric space

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q = 4, CII with p = 1 or q = 1, EII, EVI, EIX, FI and G. In the Bott periodicity theorem, the loop spaces of the stable orthogonal group can be interpreted...

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Bott

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theorem Borel–Weil–Bott theorem Bott periodicity theorem Bott residue formula Bot (disambiguation) This page lists people with the surname Bott. If an internal...

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Morse theory

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the space of paths). These techniques were used in Raoul Bott's proof of his periodicity theorem. The analogue of Morse theory for complex manifolds is...

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List of algebraic topology topics

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class Poincaré conjecture Cohomology operation Steenrod algebra Bott periodicity theorem K-theory Topological K-theory Adams operation Algebraic K-theory...

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List of theorems

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determinacy theorem (set theory) Borel fixed-point theorem (algebraic geometry) Borsuk–Ulam theorem (topology) Bott periodicity theorem (homotopy theory)...

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Periodic table of topological invariants

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This phenomenon was termed the "Bott clock" by Alexei Kitaev, in reference to the Bott periodicity theorem. The Bott clock can be understood by considering...

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Michael Atiyah

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relation of Bott periodicity to the periodicity of Clifford algebras; although this paper did not have a proof of the periodicity theorem, a proof along...

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Classifying space

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groups G such as Lie groups (H. Cartan's theorem).[clarification needed] As was shown by the Bott periodicity theorem, the homotopy groups of BG are also of...

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Orthogonal group

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of a sequence of 8 inclusions used in a geometric proof of the Bott periodicity theorem, and the corresponding quotient spaces are symmetric spaces of...

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Regular homotopy

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_{6}\left(S^{6}\right)\to \pi _{5}(SO(6))\to \pi _{5}(SO(7))} and due to Bott periodicity theorem we have π 6 ( S O ( 6 ) ) ≅ π 6 ( Spin ⁡ ( 6 ) ) ≅ π 6 ( S U (...

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Lagrangian Grassmannian

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Grassmannian is completely understood, as these spaces appear in the Bott periodicity theorem: Ω ( S p / U ) ≃ U / O {\displaystyle \Omega (\mathrm {Sp} /\mathrm...

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Classification of Clifford algebras

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called Bott periodicity. The connection is explained by the geometric model of loop spaces approach to Bott periodicity: their 2-fold/8-fold periodic embeddings...

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Kristen Hendricks

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in 2008, with an undergraduate thesis on Morse theory and the Bott periodicity theorem mentored by Véronique Godin. She completed a Ph.D. in mathematics...

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Maps of manifolds

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which generalize to Morse–Bott functions and can be used for instance to understand classical groups, such as in Bott periodicity. In mathematical analysis...

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Glossary of algebraic topology

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Borel conjecture. Borel–Moore homology Borsuk's theorem Bott 1.  Raoul Bott. 2.  The Bott periodicity theorem for unitary groups say: π q U = π q + 2 U ,...

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General linear group

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define K1, and over the reals has a well-understood topology, thanks to Bott periodicity. It should not be confused with the space of (bounded) invertible operators...

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Clifford Taubes

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structures (see also exotic R4), and (with Raoul Bott in Bott & Taubes 1989) proved Witten's rigidity theorem on the elliptic genus. In a series of four long...

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