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Hagen
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  • Member for 12 years, 6 months
22 votes

When is the tensor product of two fields a field?

10 votes

Is every poset the poset of prime ideals of a ring?

9 votes

How badly can Krull's Hauptidealsatz fail for non-Noetherian rings?

9 votes

Two questions about finiteness of ideal classes in abstract number rings

5 votes
Accepted

Valuations and separable extensions

4 votes
Accepted

Algebraic applications of Hurwitz' theorem

4 votes
Accepted

When is the degree of the pull-back of a Weil divisor a constant multiple of its degree?

3 votes

divisorial part of an ideal

3 votes
Accepted

behavior of places of a function field under automorphism

2 votes
Accepted

Why is an absolute value generated by a simple subvariety of a variety V well-behaved?

2 votes

The Polynomial Kernel

2 votes
Accepted

Reflexive modules over a 2-dimensional regular local ring

2 votes

Criterions for Reflexiveness of sheaves and a special case

2 votes

an easy example of valuation ring which is not noetherian?

1 vote
Accepted

Henselization of valued field

1 vote

Generic fiber of morphism between non-singular curves

1 vote

Dimensionality of a map -- distance

1 vote

on the computation of decomposition groups

1 vote

Maximal separable extensions of residue fields

0 votes

Which clustering algorithm could I use to group 2D points that are arranged over a time series?