Krishna Hanumanthu

collaborators

4 papers

math.AG2026

Seshadri constants of Higgs Vector bundles

Krishna Hanumanthu, Snehajit Misra, Nabanita Ray

We define Seshadri constants for Higgs bundles on smooth projective varieties over algebraically closed fields of characteristic zero. This definition is inspired by and analogous…

math.AG2024

Seshadri constants on blow-ups of Hirzebruch surfaces

Krishna Hanumanthu, Cyril J. Jacob, Suhas B. N. +1

Let $e, r \geq 0$ be integers and let $F_{e} := P (O_{P^{1}} \oplus O_{P^{1}} (- e))$ denote the Hirzebruch surface with invariant $e$ …

math.AG2024

Rationality of Seshadri constants on blow-ups of ruled surfaces

Krishna Hanumanthu, Cyril J. Jacob, Suhas B. N. +1

In this note, we continue the study of Seshadri constants on blow-ups of Hirzebruch surfaces initiated in arXiv:2312.14555. Now we consider blow-ups of ruled surfaces more generall…

math.AG2024

Seshadri constants of curve configurations on surfaces

Krishna Hanumanthu, Praveen Kumar Roy, Aditya Subramaniam

Let $X$ be a complex nonsingular projective surface and let $L$ be an ample line bundle on $X$ . We study multi-point Seshadri constants of $L$ at singular points of certain arrange…