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math.AG2025★ 1 cited
Singularity of -divisors of multidegree one in multiprojective space
Supravat Sarkar
We study singularity of effective -divisors on products of projective spaces of multidegree This generalizes works of Bath, Musta{ţ}{ă} and Walther on sin…
math.AG2024
Smooth blow up structures on projective bundles
Supravat Sarkar
Assuming Hartshorne's conjecture on complete intersections, we classify projective bundles over projective spaces which has a smooth blow up structure over another projective space…
math.AG2023
Isomorphism of Multiprojective Bundles and Projective Towers
Ashima Bansal, Supravat Sarkar, Shivam Vats
We study when two projective bundles over two arbitrary smooth projective varieties of different dimensions can be isomorphic. We show that two multi-projective bundles (fibre prod…