List questions from algebraic-number-theory

Published on 10 Apr 2026 - 9:25

290

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Confusion about ideal class group computation

Published on 09 Apr 2026 - 13:22

278

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First cohomology group of the $n$-torsion of an elliptic curve

Published on 09 Apr 2026 - 0:33

1.8k

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Algebraic closure of the $p$-adic integers

Published on 25 Mar 2026 - 6:10

629

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In the ring of integers of $\mathbb Q[\sqrt d]$, if every non-zero ideal $A$ is a lattice, then is every ideal generated by at most two elements?

Published on 25 Mar 2026 - 15:12

387

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If $\mathcal{O}_{\Bbb{Q}(\sqrt{d})}$ has class number $2$ or higher, does that mean $\sqrt{d}$ is irreducible but not prime?

Published on 09 Apr 2026 - 2:26

231

Views

Is minimal polynomial self-reciprocal?

Published on 09 Apr 2026 - 21:07

506

Views

Confusion about extension of valuations

Published on 09 Apr 2026 - 9:08

218

Views

Finding ideal generator in real quadratic fields

Published on 09 Apr 2026 - 11:25

358

Views

Group of connected components of a Neron Model of an elliptic curve

Published on 26 Mar 2026 - 9:26

452

Views

Proof for known values of the Hermite constant

Published on 09 Apr 2026 - 2:24

421

Views

Extension of places to an algebraic closure

Published on 25 Mar 2026 - 6:12

42

Views

Where to find informations for projective planes over algebraic closed fields like $\bar{Q}$

Published on 25 Mar 2026 - 14:12

39

Views

Action of units on the lattice of a real quadratic number field

Published on 01 Apr 2026 - 5:07

90

Views

Problem based on extension of Dedekind Domain

Published on 09 Apr 2026 - 1:11

List Question

Pell's equation and fundamental units

Confusion about ideal class group computation

First cohomology group of the $n$-torsion of an elliptic curve

Algebraic closure of the $p$-adic integers

In the ring of integers of $\mathbb Q[\sqrt d]$, if every non-zero ideal $A$ is a lattice, then is every ideal generated by at most two elements?

If $\mathcal{O}_{\Bbb{Q}(\sqrt{d})}$ has class number $2$ or higher, does that mean $\sqrt{d}$ is irreducible but not prime?

Is minimal polynomial self-reciprocal?

Confusion about extension of valuations

Finding ideal generator in real quadratic fields

Group of connected components of a Neron Model of an elliptic curve

Proof for known values of the Hermite constant

Extension of places to an algebraic closure

Where to find informations for projective planes over algebraic closed fields like $\bar{Q}$

Action of units on the lattice of a real quadratic number field

Problem based on extension of Dedekind Domain

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