4 papers
math.AC2025
On codimension-two subcanonical varieties inside
Manoj Kummini, Abhiram Subramanian
Let be a codimension-two subcanonical local complete intersection variety with ideal sheaf . Let be such th…
math.AC2025
Maximal minors of -generic matrices have rational singularities
Trung Chau, Manoj Kummini
We show that the quotient ring by the ideal of maximal minors of a -generic matrix has rational singularities. This answers a conjecture of Eisenbud (1988) that such rings are n…
math.AC2025
Generators of top cohomology
Manoj Kummini, Mohit Upmanyu
Let be a commutative noetherian ring and a proper smooth morphism, of relative dimension . From Hartshorne, Residues and Duality, Springer, 1966,…
math.AC2025
Ramification in modular invariant rings
Manoj Kummini, Mandira Mondal
Let be a prime number, a field of characteristic and a finite -group acting on a standard graded polynomial ring as degree-pres…