Let \(R=\mathbb {Q}[x,y]\) and let \(I=\langle x,y\rangle \). Compute the vector space rank of \(\operatorname {Ext}^{1}_{R}(I,R)\) over \(\mathbb {Q}\).
Question
Math 6310 • Algebra
Fall 2015 • Question 3
Question
Fall 2015 • Question 3
Let \(R=\mathbb {Q}[x,y]\) and let \(I=\langle x,y\rangle \). Compute the vector space rank of \(\operatorname {Ext}^{1}_{R}(I,R)\) over \(\mathbb {Q}\).