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Results tagged with cohomology
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user 16785
A branch of algebraic topology concerning the study of cocycles and coboundaries. It is in some sense a dual theory to homology theory. This tag can be further specialized by using it in conjunction with the tags group-cohomology, etale-cohomology, sheaf-cohomology, galois-cohomology, lie-algebra-cohomology, motivic-cohomology, equivariant-cohomology, ...
13
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Accepted
What is an example of a formal group law that is Landweber-exact but not flat?
Since you are interested in elliptic cohomology you can take the original Landweber-Ravenel-Stong construction (see Section 4), as an example of a cohomology theory arising from a ring that is not flat …
- 3,784
32
votes
Why should I care about topological modular forms?
TMF has been used to solve classical topological problems. For example Bruner, Davis and Mahowald obtained new results regarding nonimmersions of real projective spaces in Euclidean space (http://hopf …
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