List questions from algebraic-number-theory

Published on 25 Mar 2026 - 16:46

606

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Ramification index of infinite primes

Published on 16 Apr 2026 - 5:54

102

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Is there any concept similar to unique factorization that applies to exponential operators?

Published on 16 Apr 2026 - 12:22

307

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Divisibility in the ring of integers.

Published on 14 Apr 2026 - 3:31

1k

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Where does a CM elliptic curve have bad reduction?

Published on 19 Apr 2026 - 2:34

93

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$ K(\sqrt{a})$ is unramified if and only if $a \mid d_K$ and $a \equiv 1 \mod{4}$.

Published on 16 Apr 2026 - 6:25

290

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density theorems and class field theory

Published on 11 Apr 2026 - 2:00

261

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Cyclotomic polynomial in $\mathbb{Z}/(p)$

Published on 10 Apr 2026 - 22:29

816

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Minimal polynomials and degree of field extension

Published on 13 Apr 2026 - 22:49

380

Views

What is known about the ramification index of ramified primes in an arbitrary cyclotomic extension of $\mathbb{Q}$

Published on 16 Apr 2026 - 4:51

408

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Relationship between Ramification and Minimum Polynomial Factorisation

Published on 10 Apr 2026 - 19:05

569

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Why study integrality?

Published on 13 Apr 2026 - 12:36

294

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$\Bbb Q (\sqrt{-535}, \sqrt 5)$ is unramified over $\Bbb Q (\sqrt {-535})$

Published on 16 Apr 2026 - 13:08

117

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Showing that $\operatorname {Br}(\Bbb F_q)=0$

Published on 15 Apr 2026 - 4:03

106

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Computing $H^\bullet(\Bbb Z/n\Bbb Z)$

Published on 12 Apr 2026 - 22:43

List Question

Minkowski's theorem for non-symmetric convex bodies

Ramification index of infinite primes

Is there any concept similar to unique factorization that applies to exponential operators?

Divisibility in the ring of integers.

Where does a CM elliptic curve have bad reduction?

$ K(\sqrt{a})$ is unramified if and only if $a \mid d_K$ and $a \equiv 1 \mod{4}$.

density theorems and class field theory

Cyclotomic polynomial in $\mathbb{Z}/(p)$

Minimal polynomials and degree of field extension

What is known about the ramification index of ramified primes in an arbitrary cyclotomic extension of $\mathbb{Q}$

Relationship between Ramification and Minimum Polynomial Factorisation

Why study integrality?

$\Bbb Q (\sqrt{-535}, \sqrt 5)$ is unramified over $\Bbb Q (\sqrt {-535})$

Showing that $\operatorname {Br}(\Bbb F_q)=0$

Computing $H^\bullet(\Bbb Z/n\Bbb Z)$

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