Graham Leuschke's user avatar
Graham Leuschke's user avatar
Graham Leuschke's user avatar
Graham Leuschke
  • Member for 13 years, 3 months
  • Last seen more than a month ago
105 votes

Your favorite surprising connections in mathematics

90 votes

Irreducibility of polynomials in two variables

30 votes
Accepted

How to think about CM rings?

29 votes

What are some mathematical sculptures?

19 votes
Accepted

regularity of local ring

17 votes
Accepted

Example of an infinite abelian but non-cyclic group whose automorphism group is cyclic

16 votes
Accepted

Descent of regularity under a faithfully flat morphism: Where does my proof fail?

14 votes
Accepted

Number of generators of an ideal in a polynomial ring over a Noetherian ring

14 votes
Accepted

Krull Dimension

11 votes

Size of a Groebner basis

11 votes

Some intuition behind the five lemma?

11 votes

What does a projective resolution mean geometrically?

10 votes

Classification of pairs of commuting endomorphisms

9 votes
Accepted

Are there two non-isomorphic modules such that all the Hom-sets are isomorphic?

9 votes

Which journals publish expository work?

8 votes
Accepted

A question on group action on algebras

8 votes

R2 and S3 for rings.

8 votes

When are dual modules free?

8 votes
Accepted

Generalizing miracle flatness (Matsumura 23.1) via finite Tor-dimension

8 votes

Matrix factorizations and physics

8 votes
Accepted

How to check if a commutative ring is Gorenstein.

8 votes

Free Resolution of this determinantal variety.

8 votes
Accepted

State of the art on a question on the existence of dualizing complex

7 votes

Upper bound to the number of generators

7 votes

When does End(M) consist entirely of zero, zero divisors, and units?

7 votes

Tachikawa conjecture for commutative algebras proven?

7 votes

Simple example of a ring which is normal but not CM

7 votes

The finite subgroups of SL(2,C)

6 votes

Have people successfully worked with the full ring of differential operators in characteristic p?

6 votes
Accepted

Regular sequence of elements of degree 1 for a homogeneous Cohen-Macaulay ring