User David Loeffler

10 votes

1 answer

1k views

P-adic local Langlands for non-unitary representations?

asked Apr 26, 2010 at 16:07

10 votes

1 answer

1k views

Can an etale (phi, Gamma) module be an extension of non-etale ones?

asked Oct 24, 2010 at 11:11

10 votes

2 answers

1k views

Do "most" modular forms have no extra twists?

asked Oct 15, 2015 at 9:33

10 votes

1 answer

619 views

Universal deformations of modular Galois representations

asked May 13, 2014 at 11:49

10 votes

0 answers

286 views

Injectivity of regulator maps

asked Apr 11, 2018 at 21:10

10 votes

0 answers

175 views

Moduli-space interpretation of a morphism of unitary Shimura varieties

asked Sep 29, 2020 at 20:51

10 votes

1 answer

462 views

Homomorphisms between Oort–Tate group schemes

asked Jan 20, 2022 at 14:08

9 votes

2 answers

750 views

Q-curves and twisting

asked Jun 30, 2020 at 16:04

9 votes

1 answer

547 views

Canonical models of Shimura varieties for GL2

asked Apr 23, 2017 at 19:52

9 votes

1 answer

1k views

Is this sequence of polynomials well-known?

asked Nov 9, 2010 at 12:29

9 votes

0 answers

753 views

Existence of multi-variable $p$-adic $L$-functions

asked Mar 9, 2010 at 12:20

9 votes

1 answer

661 views

Identifying finite-index subgroups of SL2Z from generators

asked Nov 29, 2011 at 10:53

9 votes

1 answer

612 views

Are any two Dirichlet domains for a Fuchsian group "comparable"?

asked Jun 12, 2012 at 16:47

9 votes

1 answer

983 views

Is the $\ell$-adic cohomology of a non-proper variety unramified at good primes?

asked Jun 18, 2012 at 17:18

8 votes

0 answers

1k views

Torsion points of CM elliptic curves

asked Dec 6, 2011 at 18:34

8 votes

0 answers

430 views

Twists of CM modular forms

asked Apr 8, 2013 at 12:44

8 votes

1 answer

852 views

Congruences between CM and non-CM modular forms

asked Jun 2, 2013 at 21:39

8 votes

2 answers

1k views

When do the Galois reps of modular forms have open image?

asked May 10, 2010 at 10:20

8 votes

1 answer

871 views

Do Tamagawa numbers of Galois representations stabilise in the cyclotomic tower?

asked May 19, 2011 at 16:10

8 votes

1 answer

280 views

Hyperbolic planes inside hyperbolic 3-space quotients

asked May 8, 2017 at 20:13

8 votes

1 answer

526 views

Integral representation of adjoint L-factor for GL(2)

asked May 5, 2016 at 16:29

8 votes

2 answers

783 views

Field of definition of Galois representations of weight 1 modular forms

asked Sep 10, 2014 at 20:35

8 votes

1 answer

753 views

Adelic open image for modular forms?

asked Sep 22, 2014 at 20:53

8 votes

0 answers

311 views

P-depletion of Siegel modular forms

asked Feb 12, 2015 at 21:15

8 votes

1 answer

821 views

Omitting primes from a Hecke algebra

asked Jul 1, 2013 at 19:14

8 votes

1 answer

427 views

Branching laws for smooth representations

asked Dec 15, 2020 at 23:21

7 votes

1 answer

201 views

Lifting SL2(k) to a subgroup of Witt vectors

asked Nov 23, 2023 at 21:17

7 votes

1 answer

894 views

Logical strength of a statement about vector spaces

asked Dec 22, 2023 at 13:28

7 votes

0 answers

284 views

Epsilon factors for tamely ramified extensions of local fields

asked Dec 6, 2013 at 11:41

7 votes

1 answer

444 views

Integral lattices in Lie group representations

asked Nov 9, 2016 at 9:19

Stack Exchange Network

87 Questions

P-adic local Langlands for non-unitary representations?

Can an etale (phi, Gamma) module be an extension of non-etale ones?

Do "most" modular forms have no extra twists?

Universal deformations of modular Galois representations

Injectivity of regulator maps

Moduli-space interpretation of a morphism of unitary Shimura varieties

Homomorphisms between Oort–Tate group schemes

Q-curves and twisting

Canonical models of Shimura varieties for GL2

Is this sequence of polynomials well-known?

Existence of multi-variable $p$-adic $L$-functions

Identifying finite-index subgroups of SL2Z from generators

Are any two Dirichlet domains for a Fuchsian group "comparable"?

Is the $\ell$-adic cohomology of a non-proper variety unramified at good primes?

Torsion points of CM elliptic curves

Twists of CM modular forms

Congruences between CM and non-CM modular forms

When do the Galois reps of modular forms have open image?

Do Tamagawa numbers of Galois representations stabilise in the cyclotomic tower?

Hyperbolic planes inside hyperbolic 3-space quotients

Integral representation of adjoint L-factor for GL(2)

Field of definition of Galois representations of weight 1 modular forms

Adelic open image for modular forms?

P-depletion of Siegel modular forms

Omitting primes from a Hecke algebra

Branching laws for smooth representations

Lifting SL2(k) to a subgroup of Witt vectors

Logical strength of a statement about vector spaces

Epsilon factors for tamely ramified extensions of local fields

Integral lattices in Lie group representations