228 Hayes-Healy Center, University of Notre Dame
Notre Dame, IN 46556, USA E-mail: skadattuATndDOTedu
· Tel: +1 574 631 7586
I am an Assistant Professor at the
University of Notre Dame.
I work on algebraic geometry with an arithmetic flavour.
I am currently mentoring
Amadou Bah,
a postdoc at Notre Dame. I am on the advisory board of
Leelavati,
a mathematics magazine for school students published in Odia.
You can find a copy of my
CV here.
My papers are also on the
arXiv
and
Google Scholar.
Sep 2026. New preprint with A. Roy Choudhury,
Artin vanishing along the \(\ell\)-adic tower of an abelian variety
(arXiv:2609.35404).
For a constructible \(\mathbb{F}_\ell\)-sheaf \(F\) on an abelian variety \(A\) over an
algebraically closed field in which \(\ell\) is invertible, the colimit
\(\varinjlim_n\mathrm{H}^i(A,[\ell^n]^*F)\) vanishes for all \(i>\dim\operatorname{Supp}F\),
which answers a question of Bhatt–Schnell–Scholze. The methods also give sharp
codimension estimates for the supports of the cohomology sheaves of the Fourier–Mellin
transform of a perverse sheaf, which extend the bounds of Esnault–Kerz from arithmetic to
all \(\ell\)-adic perverse sheaves.
Papers and Preprints
(with A. Roy Choudhury) Artin vanishing along the \(\ell\)-adic tower of an abelian variety.
arXiv 2609.35404
(with A. Bah) Uniform stratified vanishing and equidistribution on \(\mathbb{G}_m^d\) (Submitted).
arXiv 2608.00304
(with V. Srinivas) Néron–Severi groups of proper schemes over finite fields (Submitted).
arXiv 2607.11777
(with A. Rai) Generic vanishing on homogeneous spaces in arbitrary characteristic (Submitted).
arXiv 2507.13452
(with A. Rai) Perverse filtrations via Brylinski–Radon transformations (Submitted).
arXiv 2309.13973
(with D. Patel) The Brylinski–Radon transformation in characteristic \(p>0\) (Submitted).
arXiv 2307.04156
Constraints on the cohomological correspondence associated to a self map,
Compositio Mathematica, 155(6), 1047–1056 (2019).
arXiv 1803.06461
(with U. T. Bhosale and A. Lakshminarayan) Using Partial Transpose and Realignment to generate Local Unitary Invariants,
Phys. Rev. A, 87 052311 (2013).
arXiv 1301.4082
(with M. S. Ramkarthik and A. Lakshminarayan) Entanglement optimizing mixtures of two-qubit states,
J. Phys. A: Math. Theor., 44 345301 (2011).
arXiv 0910.4504
The articles marked * were the subject of Séminaire Bourbaki, exposé 1200 (2022), Sur un théorème de Lang–Weil tordu.
Exposé Bourbaki 1200
Activities
18 Dec 2026 – 18 Jan 2027: Visiting IHES.
8 Oct 2026: Algebraic Geometry and Commutative Algebra seminar, University of Notre Dame.
3 Apr 2026: Algebraic Geometry seminar, University of Chicago.
2–7 Dec 2025: Visiting the University at Buffalo.
18 Nov 2025: Model Theory seminar, University of Notre Dame.
12 Nov 2025: Algebraic Geometry seminar, University of Michigan, Ann Arbor.
28 Oct 2025: Arithmetic Geometry seminar, Ohio State University, Columbus.
26 Sep 2025: Algebraic Geometry seminar, University of Wisconsin, Madison.
27 Jul – 2 Aug 2025: SRI in Algebraic Geometry, Fort Collins, CO.