User David Rydh - MathOverflow Meta

David Rydh

Member for 14 years, 11 months
Last seen more than a month ago

math.kth.se/~dary
KTH, Stockholm, Sweden

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Professor at KTH in algebraic geometry.

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Oct 2, 2023

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Sep 24, 2014

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78

What do epimorphisms of (commutative) rings look like?

36

When is fiber dimension upper semi-continuous?

34

Why are unramified maps not required to be locally of finite presentation?

27

Can a quotient ring R/J ever be flat over R?

24

When is an irreducible scheme quasi-compact?