Apparently, this user prefers to keep an air of mystery about them.
10 When is the tensor product of two fields a field? Nov 29 '11
5 Is every poset the poset of prime ideals of a ring? Apr 28 '11
4 Valuations and separable extensions Feb 22 '11
4 When is the degree of the pull-back of a Weil divisor a constant multiple of its degree? Apr 26 '11
3 divisorial part of an ideal Mar 29 '11
3 Algebraic applications of Hurwitz' theorem Apr 18 '11