activity
20182025
most citedThe Nisnevich Motive of an Algebraic Stack

3 citations · 6 across the 9 of their papers we have counts for

collaborators

10 papers

math.AG2025

The Morel-Voevodsky Construction over Algebraic Stacks

Neeraj Deshmukh, Felix Sefzig

In this article, we give a construction of the (un-)stable motivic homotopy category of an algebraic stack in the spirit of Morel-Voevodsky. We prove that this new construction agr…

math.AG2024

A Motivic Riemann-Roch Theorem for Deligne-Mumford Stacks

Utsav Choudhury, Neeraj Deshmukh, Amit Hogadi

We develop a motivic cohomology theory, representable in the Voevodsky's triangulated category of motives, for smooth separated Deligne-Mumford stacks and show that the resulting h…

math.AG2024

-connected stacky curves and the Brauer group of moduli of elliptic curves

Neeraj Deshmukh, Suraj Yadav

Given a smooth scheme X with an action by an affine algebraic group G, we give a formula to compute the Nisnevich sheaf of the motivic connected components of the quotient stack [X…

math.AG2023

On the Motivic Homotopy Type of Algebraic Stacks

Neeraj Deshmukh, Jack Hall

We construct smooth presentations of algebraic stacks that are local epimorphisms in the Morel-Voevodsky -homotopy category. As a consequence we show that the motive…

math.AG2021

Grothendieck-Serre Conjecture for Quasi-split Reductive Groups

Neeraj Deshmukh, Amit Hogadi, Suraj Yadav

We prove the Grothendieck-Serre conjecture for quasi-split reductive groups schemes. Our method involves reducing to the Borel subgroup in order to conclude the result from purity…

math.AG2021★ 2 cited

Nisnevich local Good compactifications

Neeraj Deshmukh, Amit Hogadi, Girish Kulkarni +1

For a local complete intersection morphism, we establish fiberwise denseness in the -dimensional irreducible components of the compactification Nisnevich locally.

math.AG2020★ 3 cited

The Nisnevich Motive of an Algebraic Stack

Utsav Choudhury, Neeraj Deshmukh, Amit Hogadi

We construct the motive of an algebraic stack in the Nisnevich topology. For stacks which are Nisnevich locally quotient stacks, we give a presentation of the motive in terms of si…

math.AG2020★ 1 cited

A Nisnevich Local Bloch-Ogus Theorem over a General Base

Neeraj Deshmukh, Girish Kulkarni, Suraj Yadav

We prove the exactness of the Nisnevich Gersten complex over a base under some conditions. We also obtain, as a consequence, a Nisnevich analogue of the Bloch-Ogus theorem for étal…

math.AG2019

Gabber presentation lemma over noetherian domains

Neeraj Deshmukh, Amit Hogadi, Girish Kulkarni +1

Following Schmidt and Strunk, we give a proof of Gabber presentation lemma over a noetherian domain with infinite residue fields.

math.AG2018

Quasi-affineness and the 1-Resolution Property

Neeraj Deshmukh, Amit Hogadi, Siddharth Mathur

We prove that, under mild hypothesis, every normal algebraic space which satisfies the -resolution property is quasi-affine. More generally, we show that for algebraic stacks sa…