3 papers
math.AC2021
Existence of birational small Cohen-Macaulay modules over biquadratic extensions in mixed characteristic
Prashanth Sridhar
Let be an unramified regular local ring of mixed characteristic two and the integral closure of in a biquadratic extension of its quotient field obtained by adjoining r…
math.AC2021
On the existence of birational maximal Cohen-Macaulay modules over biradical extensions in mixed characteristic
Prashanth Sridhar
Let be an unramified regular local ring of mixed characteristic and the subring of obtained by lifting to the image of the Frobenius map on . Let…
math.AC2021
On reflexive and -Ulrich modules over curve singularities
Hailong Dao, Sarasij Maitra, Prashanth Sridhar
We study reflexive modules over one dimensional Cohen-Macaulay rings. Our key technique exploits the concept of -Ulrich modules.