User David Goldberg

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Minkowski's Lattice Point Theorem on Linear Forms

answered Dec 26, 2024 at 5:07

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Regular functions on the punctured plane $\mathbb{A}^2\backslash\{(0,0)\}$

answered Oct 28, 2024 at 20:21

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the zero element in Hom

answered Aug 29, 2024 at 23:27

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submodules of $\mathbb{Q}$ over a p-adic fraction ring

answered Aug 27, 2024 at 17:20

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Neukirch ANT's proofs for Hensel's Lemma and Extension Theorem for Valuations

answered Aug 26, 2024 at 18:28

2 votes

Question about Proposition 2.11 Neukirch

answered Aug 20, 2024 at 19:31

1 vote

Accepted

About a symbol $[ \ , L|K] : I_{K} \to G(L|K)$ (Algebraic Number Theory )

answered Aug 1, 2024 at 16:41

1 vote

Proof of the general reciprocity law (Algebraic Number Theory)

answered May 23, 2024 at 1:47

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Why is a general element in $G(L/K)$ a power of the Frobenius automorphism when restricted to $L \cap \tilde{K}$?

answered Feb 25, 2024 at 0:58

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Prove that there is no holomorphic map $s: \mathbb{P}^n \to \mathbb{C}^{n+1} \setminus \{0\}$ with $p \circ s = \operatorname{id}$.

answered Sep 26, 2023 at 23:12

1 vote

Accepted

Does a pair of complex embeddings correspond to a single complex prime?

answered Sep 23, 2023 at 19:32

1 vote

Accepted

Neukirch Corollary 11.7

answered Sep 22, 2023 at 20:12

1 vote

Question on Proposition 10.3 Neukirch - Splitting of prime ideals in $\mathbb{Q}(\zeta_n)$

answered Sep 21, 2023 at 21:55

2 votes

How to calculate a conductor - Neukirch Proposition 8.5

answered Sep 19, 2023 at 23:09

2 votes

Accepted

Forster's proof of the local behavior of holomorphic mappings

answered Aug 29, 2023 at 17:36

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A characterisation of tame ramification

answered Apr 25, 2023 at 20:53

1 vote

$\mathcal{O}/(\mathcal{O}\cap I\mathcal{O}_P)\cong \mathcal{O}_P/I\mathcal{O}_p$ if $\mathcal{O}$ is a noetherian one dimensional domain.

answered Feb 22, 2023 at 5:51

2 votes

Find a measurable set A$\subset(-1,1)$ such that $f(x)=m(A\cap(-1,x))$ has $f'(0)=1/2$

answered Oct 6, 2013 at 20:35

1 vote

Determine all values of $z$ (if any) where $\,f (z)= \cos(|z|^2)$ is analytic?

answered Oct 6, 2013 at 18:51

1 vote

Accepted

Are these two results applied Mean Value Theorem appropriately?

answered Oct 6, 2013 at 0:42

1 vote

Accepted

Is $e^{it\Delta} g(x)$ continuous in $\mathcal{S}(\mathbb{R}^d)$?

answered Oct 5, 2013 at 7:58

3 votes

Find an example about the connectedness.

answered Oct 3, 2013 at 18:10

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22 Answers

Minkowski's Lattice Point Theorem on Linear Forms

Regular functions on the punctured plane $\mathbb{A}^2\backslash\{(0,0)\}$

the zero element in Hom

submodules of $\mathbb{Q}$ over a p-adic fraction ring

Neukirch ANT's proofs for Hensel's Lemma and Extension Theorem for Valuations

Question about Proposition 2.11 Neukirch

About a symbol $[ \ , L|K] : I_{K} \to G(L|K)$ (Algebraic Number Theory )

Proof of the general reciprocity law (Algebraic Number Theory)

Why is a general element in $G(L/K)$ a power of the Frobenius automorphism when restricted to $L \cap \tilde{K}$?

Prove that there is no holomorphic map $s: \mathbb{P}^n \to \mathbb{C}^{n+1} \setminus \{0\}$ with $p \circ s = \operatorname{id}$.

Does a pair of complex embeddings correspond to a single complex prime?

Neukirch Corollary 11.7

Question on Proposition 10.3 Neukirch - Splitting of prime ideals in $\mathbb{Q}(\zeta_n)$

How to calculate a conductor - Neukirch Proposition 8.5

Forster's proof of the local behavior of holomorphic mappings

A characterisation of tame ramification

$\mathcal{O}/(\mathcal{O}\cap I\mathcal{O}_P)\cong \mathcal{O}_P/I\mathcal{O}_p$ if $\mathcal{O}$ is a noetherian one dimensional domain.

Find a measurable set A$\subset(-1,1)$ such that $f(x)=m(A\cap(-1,x))$ has $f'(0)=1/2$

Determine all values of $z$ (if any) where $\,f (z)= \cos(|z|^2)$ is analytic?

Are these two results applied Mean Value Theorem appropriately?

Is $e^{it\Delta} g(x)$ continuous in $\mathcal{S}(\mathbb{R}^d)$?

Find an example about the connectedness.