Complex bordism
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{{Authors|Taras Panov}} | {{Authors|Taras Panov}} | ||
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== Introduction == | == Introduction == | ||
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A unitary struture $\bar \nu$ on a manifold $M$ is a choice of weak complex structure on the stable normal bundle of $M$. By the [[B-Bordism#Pontrjagin-Thom isomorphism|Pontrjagin-Thom isomorphism]] the bordism groups of closed unitary manifolds $(M, \bar \nu)$ are isomorphic to the homotopy groups of the Thom spectrum $MU$, $\Omega_*^{U} \cong \pi_n(MU)$. | A unitary struture $\bar \nu$ on a manifold $M$ is a choice of weak complex structure on the stable normal bundle of $M$. By the [[B-Bordism#Pontrjagin-Thom isomorphism|Pontrjagin-Thom isomorphism]] the bordism groups of closed unitary manifolds $(M, \bar \nu)$ are isomorphic to the homotopy groups of the Thom spectrum $MU$, $\Omega_*^{U} \cong \pi_n(MU)$. | ||
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This page is presently under construction. For more information see \cite{Stong1968}. | This page is presently under construction. For more information see \cite{Stong1968}. | ||
</wikitex> | </wikitex> | ||
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+ | == Stably complex structures == | ||
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+ | == Definition of bordism and cobordism == | ||
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+ | == Geometric cobordisms == | ||
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+ | == Structure results == | ||
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+ | == Multiplicative generators == | ||
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+ | == Formal group laws and genera | ||
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+ | == Adams-Novikov spectral sequence | ||
== References == | == References == | ||
{{#RefList:}} | {{#RefList:}} | ||
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[[Category:Manifolds]] | [[Category:Manifolds]] | ||
{{Stub}} | {{Stub}} |
Revision as of 16:07, 10 March 2010
An earlier version of this page was published in the Bulletin of the Manifold Atlas: screen, print. You may view the version used for publication as of 09:39, 1 April 2011 and the changes since publication. |
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Contents |
1 Introduction
A unitary struture on a manifold is a choice of weak complex structure on the stable normal bundle of . By the Pontrjagin-Thom isomorphism the bordism groups of closed unitary manifolds are isomorphic to the homotopy groups of the Thom spectrum , .
This page is presently under construction. For more information see [Stong1968].
2 Stably complex structures
3 Definition of bordism and cobordism
4 Geometric cobordisms
5 Structure results
6 Multiplicative generators
== Formal group laws and genera
== Adams-Novikov spectral sequence
7 References
- [Stong1968] R. E. Stong, Notes on cobordism theory, Princeton University Press, Princeton, N.J., 1968. MR0248858 (40 #2108) Zbl 0277.57010
This page has not been refereed. The information given here might be incomplete or provisional. |