Thomas Kahle's user avatar
Thomas Kahle's user avatar
Thomas Kahle's user avatar
Thomas Kahle
  • Member for 13 years, 11 months
  • Last seen more than a month ago
11 votes
1 answer
843 views

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

19 votes
3 answers
783 views

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

3 votes
0 answers
142 views

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

12 votes
1 answer
972 views

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

5 votes
1 answer
989 views

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

4 votes
0 answers
187 views

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

19 votes
4 answers
2k views

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

3 votes
1 answer
536 views

Which monomial subalgebras are direct summands of polynomial rings

2 votes
2 answers
309 views

Where did the multigraded Segre product appear in the literature?

9 votes
1 answer
681 views

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