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Thanks to Hrushovski-Loeser's work on motivic Milnor fibers, we give a model-theoretic proof for the motivic Thom-Sebastiani theorem in the case of regular functions. Moreover, slightly extending of Hrushovski-Loeser's construction adjusted…

Algebraic Geometry · Mathematics 2014-05-29 Le Quy Thuong

We construct a quasi-categorically enhanced Grothendieck six-functor formalism on schemes of finite type over the complex numbers. In addition to satisfying many of the same properties as M. Saito's derived categories of mixed Hodge…

Algebraic Geometry · Mathematics 2018-01-31 Brad Drew

We prove that arbitrary pullbacks, as well as Betti and \'etale realisation functors, are t-exact for the constructible motivic t-structure on the category of cohomological 1-motives over a base scheme.

Algebraic Geometry · Mathematics 2017-12-05 Simon Pepin Lehalleur

We define a motivic measure on the Berkovich analytification of an algebraic variety defined over a trivially valued field, and introduce motivic integration in this setting. The construction is geometric with a similar spirit as…

Algebraic Geometry · Mathematics 2023-11-15 Tommaso de Fernex , Chung Ching Lau

We develop the Denef-Loeser motivic integration to the equivariant motivic integration and use it to prove the full integral identity conjecture for regular functions.

Algebraic Geometry · Mathematics 2021-08-10 Quy Thuong Lê , Hong Duc Nguyen

In earlier work (arXiv:0801.0261), we gave a definition of an abelian category of motivic (constructible) sheaves over a base in characteristic zero using Nori's method. This category has Hodge and etale realizations, and is stable under…

Algebraic Geometry · Mathematics 2022-04-18 Donu Arapura

We give a direct and elementary proof of the theorem on formal functions by studying the behaviour of the Godement resolution of a sheaf of modules under completion.

Algebraic Geometry · Mathematics 2007-11-29 Fernado Sancho , Pedro Sancho

These notes grew out of several introductory talks I gave during the years 2003--2005 on motivic integration. They give a short but thorough introduction to the flavor of motivic integration which nowadays goes by the name of geometric…

Algebraic Geometry · Mathematics 2013-08-26 Manuel Blickle

We present a general, functorial approach to Motivic Integration for separated schemes of finite type in lieu of recent work by Hans Schoutens on the subject. Presented is a change of variables formula and a hierarchy of stability…

Algebraic Geometry · Mathematics 2013-11-18 Andrew Stout

In this paper, we present a general approach to establish motivic cohomology and build part of its six operations formalism. Applying this together with symplectic orientation on MW-motivic cohomology, we discuss the embedding theorem of…

Algebraic Geometry · Mathematics 2018-10-31 Nanjun Yang

This article gives an introduction to arithmetic motivic integration in the context of p-adic integrals that arise in representation theory. A special case of the fundamental lemma is interpreted as an identity of Chow motives.

Representation Theory · Mathematics 2007-05-23 Thomas C. Hales

Through a cascade of generalizations, we develop a theory of motivic integration which works uniformly in all non-archimedean local fields of characteristic zero, overcoming some of the difficulties related to ramification and small residue…

Logic · Mathematics 2017-03-14 Raf Cluckers , Immanuel Halupczok

We develop a theory of modulus triples, for future motivic applications.

Algebraic Geometry · Mathematics 2023-03-07 Bruno Kahn , Hiroyasu Miyazaki

We link smooth Artin motives to \'etale local systems and Artin representations. We then construct the ordinary motivic t-structure on Artin motives with integral coefficients and show that the $\ell$-adic realization functor is t-exact.

Algebraic Geometry · Mathematics 2025-04-23 Raphaël Ruimy

By associating a `motivic integral' to every complex projective variety X with at worst canonical, Gorenstein singularities, Kontsevich proved that, when there exists a crepant resolution of singularities Y of X, the Hodge numbers of Y do…

Algebraic Geometry · Mathematics 2007-05-23 Alastair Craw

These are notes of a series of talks about motivic integration I gave on the M\"unster Model Theory Month. Readers are assumed to have some basic knowledge of model theory and of valued fields. The notes are closest to the Cluckers-Loeser…

Algebraic Geometry · Mathematics 2017-03-17 Immanuel Halupczok

Under a slightly stronger hypothesis, one improves a connectedness result of Debarre [D] for a product of two projective spaces in terms of the extension problem of formal-rational functions (see Theorems 1.3 and 1.4 of the introduction)

Algebraic Geometry · Mathematics 2008-12-16 Lucian Bădescu

This is an attempt at an elementary exposition, with examples, of the theory of motivic integration developed by R. Cluckers and F. Loeser, with the view towards applications in representation theory of p-adic groups.

Representation Theory · Mathematics 2008-11-14 Julia Gordon , Yoav Yaffe

We construct, based on Nicaise's article in Math. Ann. in 2009, an equivariant geometric motivic integration for special formal schemes, such that when applying to algebraizable formal schemes, we can revisit our previous work in 2020 on…

Algebraic Geometry · Mathematics 2022-06-03 Quy Thuong Lê , Hong Duc Nguyen

A modified realisability interpretation of infinitary logic is formalised and proved sound in constructive type theory (CTT). The logic considered subsumes first order logic. The interpretation makes it possible to extract programs with…

Logic · Mathematics 2017-01-11 Erik Palmgren