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Search options not deleted user 34066

for questions on one dimensional algebraic varieties over any field, including questions of moduli, and questions about specific curves.

3 votes
0 answers
78 views

tame ramification and separability of the reduction

Let $K$ a local field, with ring of integer $\mathcal{O}_K$ or $\mathcal{O}$ ,of uniformizer $\pi$, residue field $k$ of caracteristic $p$. Let $\varphi:\mathbb{P}^1_K\to\mathbb{P}^1_K$ finite separab …
Gabriel Soranzo's user avatar
7 votes
1 answer
267 views

Ramification and reduction

Let $K$ a local field ($K$ finit extension of $\mathbb{Q}_p$), $\mathcal{O}_K$ the integer of $K$ and $k$ the residue field of $\mathcal{O}_K$. Let $\psi:\mathbb{P}^1_K\to\mathbb{P}^1_K$ a finit separ …
Gabriel Soranzo's user avatar