Leo Herr's user avatar
Leo Herr's user avatar
Leo Herr's user avatar
Leo Herr
  • Member for 8 years, 1 month
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14 votes
0 answers
322 views

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

10 votes
1 answer
384 views

When is a twisted form coming from a torsor trivial?

7 votes
0 answers
257 views

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

6 votes
2 answers
428 views

Distinguished triangle of dualizing complexes and/or determinants?

6 votes
0 answers
163 views

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

5 votes
1 answer
232 views

Extending rational maps of nodal curves

5 votes
0 answers
369 views

Most divisors on a curve aren't special?

4 votes
0 answers
215 views

K theoretic pushforward along gerbes

4 votes
0 answers
202 views

Does cohomology and base change hold if supported at a point?

4 votes
1 answer
243 views

Intersection complex of genus-zero curves?

3 votes
0 answers
178 views

Hypercovers with sieves

3 votes
0 answers
118 views

Finite algebras with finitely many automorphisms

3 votes
1 answer
377 views

K/G-theory of affine bundles

3 votes
1 answer
330 views

When do generizations ("generalizations") lift uniquely?

3 votes
0 answers
255 views

If the normalization is affine, is it affine? (if quasiaffine)

2 votes
1 answer
243 views

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

2 votes
0 answers
146 views

Torsors for nonabelian groups and maps to contracted products

2 votes
0 answers
208 views

What are the Hodge and log Hodge groups of $M_{g,n}$?

1 vote
0 answers
286 views

Is there an intrinsic Gauss map?

1 vote
0 answers
198 views

Pushforward of sheaves along finite etale map

1 vote
2 answers
362 views

Pushforward of structure sheaf along a torsor for a finite group

1 vote
0 answers
123 views

Geometric quotients of DM stacks by group actions

1 vote
0 answers
151 views

G Theory Localization Sequence without "quasiseparated"