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15
Math.TechQA.Club
2026-03-26 09:51:23
32
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A map from a $ G_1 $ - equivariant KK-theory of Kasparov, to a $ G_2 $ - equivariant KK-theory of Kasparov
Published on
26 Mar 2026 - 9:51
#operator-algebras
#c-star-algebras
#k-theory
#topological-k-theory
80
Views
Equivalence of two definitions of $K^{-1}$ in complex $K$-theory
Published on
26 Mar 2026 - 11:18
#algebraic-topology
#homology-cohomology
#k-theory
#topological-k-theory
173
Views
About the K-theory of rational rotation algebras
Published on
31 Aug 2020 - 13:33
#c-star-algebras
#k-theory
158
Views
What is the meaning of $KO^{-1}(S^1)$?
Published on
26 Mar 2026 - 9:49
#vector-bundles
#characteristic-classes
#k-theory
#topological-k-theory
207
Views
Help with the setup for Atiyah's proof of Bott Periodicity.
Published on
26 Mar 2026 - 14:43
#algebraic-topology
#k-theory
#topological-k-theory
216
Views
On stable isomorphism of separable nuclear C$^*$-algebras and Morita equivalence
Published on
08 Nov 2020 - 12:06
#c-star-algebras
#compact-operators
#k-theory
143
Views
Example of a space whose complex K-theory is not easily computable from singular cohomology
Published on
26 Mar 2026 - 12:58
#algebraic-topology
#k-theory
#topological-k-theory
51
Views
Definition of odd topological K-theory using circles
Published on
26 Mar 2026 - 12:58
#homology-cohomology
#vector-bundles
#k-theory
#topological-k-theory
90
Views
Elementary computations for hermitian and non-hermitian algebraic K-theory
Published on
25 Mar 2026 - 16:12
#abstract-algebra
#reference-request
#k-theory
#algebraic-k-theory
2.3k
Views
K Theory: Book Recommendations
Published on
25 Mar 2026 - 16:07
#reference-request
#book-recommendation
#projective-module
#k-theory
#algebraic-k-theory
55
Views
Do group actions on smooth algebraic varieties induce group actions on K-theory?
Published on
06 Jan 2021 - 1:28
#representation-theory
#k-theory
118
Views
Bounding $\|e^{2\pi iq}-1\|$ for $q$ an almost idempotent
Published on
12 Jan 2021 - 12:37
#functional-analysis
#operator-algebras
#c-star-algebras
#k-theory
58
Views
How to compute $K_0(S^1)$?
Published on
13 Jan 2021 - 18:36
#circles
#k-theory
66
Views
What is the usual defintion of $K_1$ group?
Published on
15 Jan 2021 - 21:02
#operator-theory
#c-star-algebras
#k-theory
76
Views
Is the KO dimension of commutative real spectral triple agree with it's dimension of the manifold?
Published on
26 Mar 2026 - 11:01
#riemannian-geometry
#operator-algebras
#k-theory
#noncommutative-geometry
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