Hagen

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Name	Hagen
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How badly can Krull’s Hauptidealsatz fail for non-Noetherian rings?

When is the tensor product of two fields a field?

Two questions about finiteness of ideal classes in abstract number rings

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

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

divisorial part of an ideal

Valuations and separable extensions

behavior of places of a function field under automorphism

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

Algebraic applications of Hurwitz' theorem

Criterions for Reflexiveness of sheaves and a special case

an easy example of valuation ring which is not noetherian？

Henselization of valued field

Dimensionality of a map — distance

Maximal separable extensions of residue fields

Generic fiber of morphism between non-singular curves

Reflexive modules over a 2-dimensional regular local ring

on the computation of decomposition groups

The Polynomial Kernel

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

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