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stupid_question_bot

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8 Answers

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5 votes

Invariants of matrices (by simultaneous $\mathrm{GL}_n$ conjugation) over arbitrary rings

answered Sep 13, 2021 at 19:54

3 votes

Accepted

Understanding the completed stalk of the dualizing sheaf of a family of nodal curves at a node

answered Feb 19, 2017 at 1:02

3 votes

Reference request: relationship between discriminant and smoothness of a conic over arbitrary fields

answered Oct 10, 2020 at 0:54

2 votes

Accepted

Does there exist a curve defined over a number field $K$ such that every map to $\mathbb{P}^1_K$ is ramified over at least 4 points?

answered Jan 24, 2017 at 16:55

1 vote

Topology on the hom space between profinite groups

answered Aug 6, 2021 at 6:30

1 vote

When does a characteristic subgroup remain characteristic in the profinite completion?

answered Sep 27, 2016 at 5:20

1 vote

Accepted

local picture of ramification at a node

answered Dec 6, 2016 at 21:29

0 votes

Question about the proof of Prop I.7.4 in Hartshorne's Residues and Duality

answered Dec 14, 2016 at 23:03