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Results tagged with kt.k-theory-and-homology
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user 126667
Algebraic and topological K-theory, relations with topology, commutative algebra, and operator algebras
17
votes
Accepted
K-theory as a generalized cohomology theory
1 is doubly wrong. First, you need to distinguished generalized cohomology theories and reduced generalized cohomology theories. If you want to work with the latter, you should replace "a point" in …
- 25.2k
24
votes
Why are spectral sequences so ubiquitous?
Let me first try to answer a simpler question:
Why are long exact sequences so ubiquitous?
Almost anything that is written as a capital letter, followed by a subscript i or superscript -i, i an …
- 25.2k