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math.AG2020
Stability and semi-stability of (2,2)-type surfaces
A. J. Parameswaran, Nabanita Ray
We describe the GIT compactification of the moduli of (2,2)-type effective divisors of (i.e., surfaces of the linear system $\vert π_1^*\mathcal{O}…
math.AG2020
Higher dimensional formal orbifolds and orbifold bundles in positive characteristic
Indranil Biswas, Manish Kumar, A. J. Parameswaran
In \cite{KP}, the last two authors introduced formal orbifold curves defined over an algebraically closed field of positive characteristics. They studied both étale and Nori fundam…