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Criterion for existence of a logarithmic connection on a principal bundle over a smooth complex projective variety
Sudarshan Gurjar, Arjun Paul
Let be a connected smooth complex projective variety of dimension . Let be a simple normal crossing divisor on . Let be a connected complex Lie group, and…
Fundamental Group Schemes of -fold Symmetric Product of a Smooth Projective Curve
Arjun Paul, Ronnie Sebastian
Let be an algebraically closed field of characteristic . Let be an irreducible smooth projective curve of genus over . Fix an integer , and let $S^n…
Fundamental Group Schemes of Hilbert Scheme of Points on a Smooth Projective Surface
Arjun Paul, Ronnie Sebastian
Let be an algebraically closed field of characteristic . Let be an irreducible smooth projective surface over . Fix an integer and let ${\mathcal{H}{\i…
System of Hodge Bundles and Generalized Opers on Smooth Projective Varieties
Suratno Basu, Arjun Paul, Arideep Saha
Let be an algebraically closed field of any characteristic. Let be a polarized irreducible smooth projective algebraic variety over . We give criterion for semistability…
Picard group and fundamental group of the moduli of Higgs bundles on curves
Sujoy Chakraborty, Arjun Paul
Let be an irreducible smooth projective curve of genus over . Let be a connected reductive affine algebraic group over . Let $\mathrm{M}_…
Criterion for logarithmic connections with prescribed residues
Indranil Biswas, Ananyo Dan, Arjun Paul
A theorem of Weil and Atiyah says that a holomorphic vector bundle on a compact Riemann surface admits a holomorphic connection if and only if the degree of every direct su…