Newbetuts
.
New posts in cohen-macaulay
Are the rings $k[[t^3,t^4,t^5]]$ and $k[[t^4,t^5,t^6]]$ Gorenstein? (Matsumura, Exercise 18.8)
commutative-algebra
cohen-macaulay
gorenstein
Why is this ring not Cohen-Macaulay?
commutative-algebra
cohen-macaulay
What is a geometric interpretation of regular sequences in various instances?
algebraic-geometry
commutative-algebra
cohen-macaulay
Prove that $ k[x_1,\ldots,x_4]/ \langle x_1x_2,x_2x_3,x_3x_4,x_4x_1 \rangle$ is not Cohen-Macaulay.
commutative-algebra
cohen-macaulay
Prev