User did

6 votes

1 answer

491 views

Flatness of schemes

asked Mar 18, 2022 at 18:23

6 votes

2 answers

439 views

Good and bad reduction for twists of algebraic curves

asked Jul 25, 2023 at 20:12

5 votes

2 answers

326 views

Model of an elliptic curve with p-torsion

asked Apr 5, 2022 at 19:03

5 votes

1 answer

482 views

Class numbers of cyclotomic fields and their maximal totally real subfields

asked Dec 18, 2022 at 21:25

4 votes

1 answer

573 views

Are Frey elliptic curves semi-stable?

asked Jul 18, 2022 at 19:59

3 votes

1 answer

314 views

Non-modular elliptic curves

asked Jun 10, 2022 at 21:46

3 votes

1 answer

272 views

Computing explicit isogenies between elliptic curves over different kinds of fields

asked May 18, 2023 at 13:29

3 votes

0 answers

161 views

relating class number and narrow class number of a real field

asked Dec 7, 2022 at 16:33

2 votes

0 answers

78 views

Detect all isogenies of an elliptic curve over a given number field

asked Oct 20 at 14:55

2 votes

1 answer

256 views

Twist of the Tate Curve

asked Jul 30, 2023 at 10:52

2 votes

0 answers

194 views

rational curves over K3 surfaces over $\mathbb{Q}$

asked Mar 10, 2022 at 17:50

2 votes

0 answers

182 views

Automorphisms of a K3 surface

asked May 28, 2022 at 17:50

2 votes

0 answers

109 views

Narrow class number of a the maximal totally real number field inside a cyclotomic field

asked Aug 24, 2022 at 14:30

2 votes

1 answer

369 views

Elliptic curve with CM and image of Galois representation in normalizer of nonsplit Cartan

asked Mar 9, 2023 at 18:36

1 vote

0 answers

186 views

Supersingular points on the modular curve $X_0(p)$ over $\mathbb{F}_p$ and their Frobenius action

asked Jun 6, 2023 at 15:41

1 vote

0 answers

88 views

Bad primes of twists of modular curves $X_E^{-1}(p)$

asked Jul 14, 2023 at 13:44

0 votes

0 answers

89 views

Elliptic curves and images of decompositions group exceptional?

asked Feb 1 at 15:17

Stack Exchange Network

17 Questions

Flatness of schemes

Good and bad reduction for twists of algebraic curves

Model of an elliptic curve with p-torsion

Class numbers of cyclotomic fields and their maximal totally real subfields

Are Frey elliptic curves semi-stable?

Non-modular elliptic curves

Computing explicit isogenies between elliptic curves over different kinds of fields

relating class number and narrow class number of a real field

Detect all isogenies of an elliptic curve over a given number field

Twist of the Tate Curve

rational curves over K3 surfaces over $\mathbb{Q}$

Automorphisms of a K3 surface

Narrow class number of a the maximal totally real number field inside a cyclotomic field

Elliptic curve with CM and image of Galois representation in normalizer of nonsplit Cartan

Supersingular points on the modular curve $X_0(p)$ over $\mathbb{F}_p$ and their Frobenius action

Bad primes of twists of modular curves $X_E^{-1}(p)$

Elliptic curves and images of decompositions group exceptional?