Blogs about: K Theory
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Set-valued tableaux and Grothendieck polynomials
Last time, I discussed a bit about the relationship between the Chow groups of a nonsingular variety X and its K-theory. In this post, I want to specialize to the case when X is a Grassmannian and exp… more →
Concrete Nonsense
Set-valued tableaux and Grothendieck polynomials
Steven Sam wrote 1 week ago: Last time, I discussed a bit about the relationship between the Chow groups of a nonsingular variety … more →
Chow rings and K-theory
Steven Sam wrote 1 month ago: I want to write a post about the set-valued tableaux of Buch and how they are related to Schur polyn … more →
Chern classes and Riemann--Roch formalism
Steven Sam wrote 4 months ago: Last time I gave the definition of -rings and tried to motivate them from the perspective of K-theor … more →
Lambda-rings
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Steven Sam wrote 4 months ago: In this post, I want to discuss Grothendieck’s -rings and how they provide an abstract setting … more →
Grothendieck Groups and the Eilenberg Swindle
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Akhil Mathew wrote 5 months ago: The following topic came up in a discussion with my mentor recently. Since the material is somewhat … more →
k - theory
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zubinmehta wrote 2 years ago: Ok, if u are akhil do not read ahead – “dude u know it, why waste time” else go on … more →
The Eilenberg Swindle
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Simon wrote 2 years ago: Recall from the last post that if is a commutative ring, we define to be the Grothendieck group of t … more →
New objects from old using equivalence classes of pairs
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Simon wrote 2 years ago: In many places in mathematics, we see some variant of the following simple construction. The first t … more →
Ring-theoretic description of the norm-residue homomorphism
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Mehran wrote 2 years ago: Recently, the norm-residue homomorphism has been the subject of intense discussions in the K-theoret … more →
Bloch group
Anton wrote 2 years ago: Recently I was trying to understand what’s behind the mysterious condition for elements () to … more →
