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Laurent Moret-Bailly

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ag.algebraic-geometry

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9 Questions

Votes Activity Newest Views
5
26
votes
0
answers
540
views

On the definition of regular (non-noetherian, commutative) rings

ag.algebraic-geometry ac.commutative-algebra homological-algebra regular-rings valuation-rings
Apr 16 '19 at 12:57 Laurent Moret-Bailly 17.1k
5
17
votes
1
answer
2k
views

Are flat morphisms of analytic spaces open?

analytic-geometry rigid-analytic-geometry ag.algebraic-geometry
Nov 4 '14 at 15:59 Francesco Polizzi 57.3k
2
15
votes
1
answer
2k
views

Universal homeomorphisms and the étale topology

ag.algebraic-geometry schemes group-schemes etale-cohomology
Nov 24 '10 at 22:21 Angelo 25.5k
2
12
votes
1
answer
546
views

First order decidability of rings vs Diophantine decidability

lo.logic model-theory nt.number-theory ac.commutative-algebra
May 8 '13 at 17:00 Sidney Raffer 5,919
3
11
votes
2
answers
691
views

Valuations and separable extensions

valuation-theory fields ac.commutative-algebra characteristic-p
Feb 22 '11 at 17:22 vytas 413
2
11
votes
1
answer
581
views

Ultraproducts and the empty set

model-theory set-theory
Feb 19 '11 at 17:17 Andreas Blass 65.9k
 
9
votes
1
answer
505
views

Constructible sets in Hausdorff spaces

gn.general-topology
Oct 28 '13 at 12:02 Community♦ 1
4
8
votes
1
answer
687
views

Is $k(\!(x,y)\!)$ a topological field?

ac.commutative-algebra topological-groups power-series local-rings topological-rings
Mar 20 '17 at 10:50 Community♦ 1
 
8
votes
1
answer
292
views

When is a valued field second-countable?

valuation-theory fields ac.commutative-algebra topological-groups
May 15 '12 at 17:37 Moshe 476
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