3 papers
math.AG2026
Bruhat-Tits group schemes over higher dimensional base-II
Vikraman Balaji, Yashonidhi Pandey
We prove that split reductive BT group schemes over a higher dimensional base are {\em affine}. Our method also gives a new construction of higher BT-group schemes more general tha…
math.AG2025
Conformal blocks, parahoric torsors and Borel-Weil-Bott
V. Balaji, Y. Pandey
Let be a smooth projective curve over an algebraically closed field . Let be a parahoric group scheme on as in \cite{pr}. Via the principle of Hecke corres…
math.AG2024
On the desingularisation of moduli of principal bundles
Vikraman Balaji
In \cite{nr} Narasimhan and Ramanan and in \cite{desing}, Seshadri constructed desingularisations of the moduli space of semistable $\SL(2)$-bundles on a…