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20232026
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math.DG2026

Opers on transversely holomorphic foliations

Indranil Biswas, Sorin Dumitrescu

For real codimension two smooth foliations, we study the transversely complex structures, transversely complex projective structures and transverse opers associated to the foliatio…

math.DG2025

Non-Kähler Calabi-Yau manifolds and holomorphic geometric structures

Indranil Biswas, Sorin Dumitrescu

We study holomorphic geometric structures on non-Kähler compact complex manifolds with trivial canonical line bundle. For Vaisman Calabi-Yau manifolds we prove that all holomorphic…

math.DG2025

Turbulent holomorphic foliations on compact complex tori and transversely holomorphic Cartan geometry

Indranil Biswas, Sorin Dumitrescu

We define a class of nonsingular holomorphic foliations on compact complex tori which generalizes (in higher codimension) the turbulent foliations of codimension one constructed by…

math.DG2024

Holomorphic foliations with no transversely projective structure

Indranil Biswas, Sorin Dumitrescu

We prove that on the product of two elliptic curves a generic nonsingular turbulent foliation does not admit any transversely projective structure.

math.DG2024

Holomorphic geometric structures on Oeljeklaus-Toma manifolds

Indranil Biswas, Sorin Dumitrescu

We prove that any holomorphic geometric structure of affine type on an Oeljeklaus- Toma manifold is locally homogeneous. For locally conformal Kähler Oeljeklaus-Toma manifolds we p…

math.DG2023

Principal bundles with holomorphic connections over a Kaehler Calabi-Yau manifold

Indranil Biswas, Sorin Dumitrescu

We prove that any holomorphic vector bundle admitting a holomorphic connection, over a compact Kähler Calabi-Yau manifold, also admits a flat holomorphic connection. This addresses…

math.DG2023

On the monodromy of holomorphic differential systems

Indranil Biswas, Sorin Dumitrescu, Lynn Heller +2

First we survey and explain the strategy of some recent results that construct holomorphic -differential systems over some Riemann surfaces of genus…