User Thomas Kahle

19 votes

4 answers

2k views

What is the geometric object corresponding to a subalgebra in a polynomial ring

asked Jul 2, 2012 at 20:14

19 votes

3 answers

794 views

What is the shortest polynomial divisible by $(x-1)(y-1)(x^2y-1)$

asked Jun 27, 2017 at 15:13

12 votes

1 answer

989 views

Is an irreducible ideal in $R$ also irreducible in $R[x]$?

asked Aug 27, 2015 at 9:10

11 votes

1 answer

878 views

Proving that a variety is not (isomorphic to) a toric variety

asked Apr 5, 2012 at 15:33

9 votes

1 answer

689 views

When and where did the term "module" enter commutative algebra?

asked Oct 5, 2011 at 19:58

5 votes

1 answer

1k views

Is there an algorithm to decide if an ideal contains monomials?

asked Apr 5, 2013 at 14:20

4 votes

0 answers

188 views

A non-matroidal notion of dependence on a set of ideals

asked Oct 15, 2012 at 23:55

3 votes

0 answers

144 views

The spring Markov chain on $\mathbb{N}$

asked Jul 29, 2015 at 8:38

3 votes

1 answer

544 views

Which monomial subalgebras are direct summands of polynomial rings

asked Oct 29, 2011 at 8:46

2 votes

2 answers

325 views

Where did the multigraded Segre product appear in the literature?

asked Sep 24, 2011 at 1:19

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10 Questions

What is the geometric object corresponding to a subalgebra in a polynomial ring

What is the shortest polynomial divisible by $(x-1)(y-1)(x^2y-1)$

Is an irreducible ideal in $R$ also irreducible in $R[x]$?

Proving that a variety is not (isomorphic to) a toric variety

When and where did the term "module" enter commutative algebra?

Is there an algorithm to decide if an ideal contains monomials?

A non-matroidal notion of dependence on a set of ideals

The spring Markov chain on $\mathbb{N}$

Which monomial subalgebras are direct summands of polynomial rings

Where did the multigraded Segre product appear in the literature?