User Zhiyu

4 votes

1 answer

223 views

Smallest class of linear algebraic groups that is closed under intersections and contains all reductive groups

asked May 9, 2019 at 21:39

4 votes

2 answers

569 views

Current status of independence of Betti numbers for different Weil cohomology theories

asked May 10, 2019 at 4:43

4 votes

0 answers

135 views

Growth of the number of fixed points of a $p$-adic group under natural filtrations

asked Feb 20, 2019 at 20:28

4 votes

1 answer

386 views

Smooth proper variety over a number field with prescribed bad reductions

asked Feb 27, 2019 at 17:15

4 votes

1 answer

335 views

Purity of vanishing cycle for proper scheme over DVR with smooth generic fiber

asked Aug 21, 2019 at 17:57

4 votes

0 answers

319 views

Keep blowing up all $k$-rational points

asked Oct 9, 2019 at 17:33

4 votes

1 answer

362 views

When do blow-ups at $N$ points give isomorphic varieties?

asked Jan 6, 2020 at 18:37

4 votes

1 answer

273 views

Definition field of weight homomorphism and moduli interpretation of Shimura varieties

asked Nov 27, 2019 at 1:07

3 votes

1 answer

339 views

branching laws for $p$-adic representations of reductive groups

asked Oct 24, 2019 at 23:56

3 votes

1 answer

478 views

Reference request: number of irreducible components and top dimension etale cohomology

asked Sep 18, 2019 at 22:07

3 votes

0 answers

182 views

Closed subvariety that is unique in its small analytic neighborhood

asked Jun 9, 2019 at 6:07

3 votes

1 answer

242 views

Natural vector bundle on flag variety coming from the variety of nilpotent matrices of fixed rank?

asked Jul 1, 2019 at 14:48

3 votes

0 answers

111 views

cohomology of nilpotent matrices of fixed $m$-th power

asked Jul 22, 2019 at 6:46

3 votes

1 answer

243 views

Does weight $2$ cuspidal Bianchi modular form have infinitely many zero Fourier coefficient at prime ideals?

asked Sep 11, 2019 at 18:09

3 votes

1 answer

77 views

Dimension of fixed vectors of a semi-linear operator

asked Feb 23, 2019 at 15:06

3 votes

0 answers

180 views

Lefschetz trace formula over truncated Witt ring

asked Jun 4, 2018 at 10:39

3 votes

0 answers

130 views

Natural permutation representations of the orthogonal group of a lattice

asked May 25, 2018 at 9:09

3 votes

1 answer

200 views

Square root of relative Kähler differentials and families of curves

asked Dec 8 at 2:03

3 votes

0 answers

112 views

Deformation of p-divisible groups along nilpotent thickening

asked Aug 14, 2020 at 3:17

3 votes

0 answers

913 views

Relations between rational algebraic K-theory and Chow groups

asked Feb 6, 2020 at 4:48

3 votes

0 answers

62 views

Image of the reduction of a maximal order in a central simple algebra over $\mathbb Q$

asked Jul 25, 2021 at 8:21

2 votes

0 answers

91 views

Adelic description of moduli of stable vector bundle of rank n (over finite fields)?

asked Oct 12 at 3:58

2 votes

0 answers

137 views

Vector bundles on complete smooth variety $X$ in char $p$ and Frobenius

asked Jan 29, 2020 at 12:19

2 votes

0 answers

156 views

Rigid \'etale cohohomology of flag variety minus its rational points e.g $p$-adic Drinfeld half plane

asked Dec 7, 2020 at 4:38

2 votes

0 answers

94 views

Galois representations attached to discrete automorphic representations

asked Dec 6 at 0:36

2 votes

3 answers

181 views

Stabilizers of the action of Levi on abelianization of nilpotent radical

asked Nov 21 at 10:12

2 votes

0 answers

74 views

generalization of the discreteness of Hecke groups to general reductive groups

asked Feb 8, 2019 at 19:27

2 votes

1 answer

266 views

Smooth irreducible subvarieties in an algebraic group that are stable under power maps

asked Sep 15, 2019 at 17:44

2 votes

1 answer

133 views

Singularity for some schemes defined by matrix equations over $\mathbb Z_p$

asked Sep 2, 2019 at 2:10

2 votes

1 answer

217 views

Computation of $\mathcal{Tor}_i^{O_X}(O_{Z},O_{Z})$ for non-complete intersection $Z$ in $X$

asked Nov 22, 2019 at 14:24

Stack Exchange Network

96 Questions

Smallest class of linear algebraic groups that is closed under intersections and contains all reductive groups

Current status of independence of Betti numbers for different Weil cohomology theories

Growth of the number of fixed points of a $p$-adic group under natural filtrations

Smooth proper variety over a number field with prescribed bad reductions

Purity of vanishing cycle for proper scheme over DVR with smooth generic fiber

Keep blowing up all $k$-rational points

When do blow-ups at $N$ points give isomorphic varieties?

Definition field of weight homomorphism and moduli interpretation of Shimura varieties

branching laws for $p$-adic representations of reductive groups

Reference request: number of irreducible components and top dimension etale cohomology

Closed subvariety that is unique in its small analytic neighborhood

Natural vector bundle on flag variety coming from the variety of nilpotent matrices of fixed rank?

cohomology of nilpotent matrices of fixed $m$-th power

Does weight $2$ cuspidal Bianchi modular form have infinitely many zero Fourier coefficient at prime ideals?

Dimension of fixed vectors of a semi-linear operator

Lefschetz trace formula over truncated Witt ring

Natural permutation representations of the orthogonal group of a lattice

Square root of relative Kähler differentials and families of curves

Deformation of p-divisible groups along nilpotent thickening

Relations between rational algebraic K-theory and Chow groups

Image of the reduction of a maximal order in a central simple algebra over $\mathbb Q$

Adelic description of moduli of stable vector bundle of rank n (over finite fields)?

Vector bundles on complete smooth variety $X$ in char $p$ and Frobenius

Rigid \'etale cohohomology of flag variety minus its rational points e.g $p$-adic Drinfeld half plane

Galois representations attached to discrete automorphic representations

Stabilizers of the action of Levi on abelianization of nilpotent radical

generalization of the discreteness of Hecke groups to general reductive groups

Smooth irreducible subvarieties in an algebraic group that are stable under power maps

Singularity for some schemes defined by matrix equations over $\mathbb Z_p$

Computation of $\mathcal{Tor}_i^{O_X}(O_{Z},O_{Z})$ for non-complete intersection $Z$ in $X$