Leo Herr

Member for 7 years, 1 month
Last seen this week

math.utah.edu/~herr

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ag.algebraic-geometry

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Questions

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12

Do connected algebraic stacks have a smooth cover by a connected scheme?

Nov 20, 2020

10

When is a twisted form coming from a torsor trivial?

Sep 6, 2020

7

Cohomology of fibers of a morphism of a blowup of affine space

Feb 26

6

Distinguished triangle of dualizing complexes and/or determinants?

Apr 12, 2022

6

Is the monoid of all cancellative finitely generated commutative monoids cancellative?

Oct 12, 2022

Answers

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7

Applications of the Infinitesimal Lifting Property

Aug 11, 2020

4

Are deformations of a scheme some kind of a "derived gerbe" under the cotangent complex?

Jul 21, 2017

3

Why do Todd classes appear in Grothendieck-Riemann-Roch formula?

Jul 22, 2020

2

Pushforward of structure sheaf along a torsor for a finite group

Dec 1, 2021

1

Is the blowup of a toric variety corresponding to a subdivision normal?

Mar 23, 2022

Tags

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ag.algebraic-geometry

18

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21

posts

deformation-theory

11

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2

posts

cotangent-complex

4

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2

posts

gerbes

4

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2

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kt.k-theory-and-homology

3

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6

posts

Reputation

+70

Cohomology of fibers of a morphism of a blowup of affine space

+30

Finite algebras with finitely many automorphisms

+10

When is a twisted form coming from a torsor trivial?

+10

Is the monoid of all cancellative finitely generated commutative monoids cancellative?

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