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Is there a deep relationship between models and étale cohomology ? If so, why, and is it made precise somewhere ?

apr 29 10 at 21:58 GD 307●1●7

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584

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Philosophy : seeking examples illuminating deeper geometric ideas behind base change of schemes

schemes

apr 27 10 at 18:52 Georges Elencwajg 24.3k●65●132

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Classifying continuous characters $X \to \mathbb{Z}_p^$, $X=\mathbb{Z}_p^$ or $(1+p\mathbb{Z}_p)^{\times}$ ?

p-adic-analysis

apr 27 10 at 11:39 GD 307●1●7

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If a tensor product of modules is semi-simple, are the tensor factors semi-simple ?

modules

jul 11 10 at 23:01 George McNinch 1,930●1●5●11

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Non-existence ofintegral basis of integral closure in a finite extension of Frac(A), A Dedekind.

algebraic-number-theory ac.commutative-algebra

apr 16 10 at 19:52 GD 307●1●7

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What are some mathematical concepts that were (pretty much) created from scratch and do not owe a debt to previous work?

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Is there a deep relationship between models and étale cohomology ? If so, why, and is it made precise somewhere ?

Philosophy : seeking examples illuminating deeper geometric ideas behind base change of schemes

Classifying continuous characters $X \to \mathbb{Z}_p^$, $X=\mathbb{Z}_p^$ or $(1+p\mathbb{Z}_p)^{\times}$ ?

If a tensor product of modules is semi-simple, are the tensor factors semi-simple ?

Non-existence ofintegral basis of integral closure in a finite extension of Frac(A), A Dedekind.

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GD

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Is there a deep relationship between models and étale cohomology ? If so, why, and is it made precise somewhere ?

Philosophy : seeking examples illuminating deeper geometric ideas behind base change of schemes

Classifying continuous characters $X \to \mathbb{Z}_p^*$, $X=\mathbb{Z}_p^*$ or $(1+p\mathbb{Z}_p)^{\times}$ ?

If a tensor product of modules is semi-simple, are the tensor factors semi-simple ?

Non-existence ofintegral basis of integral closure in a finite extension of Frac(A), A Dedekind.

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Classifying continuous characters $X \to \mathbb{Z}_p^$, $X=\mathbb{Z}_p^$ or $(1+p\mathbb{Z}_p)^{\times}$ ?