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We prove a recognition principle for motivic infinite P1-loop spaces over a perfect field. This is achieved by developing a theory of framed motivic spaces, which is a motivic analogue of the theory of E-infinity-spaces. A framed motivic…

Algebraic Geometry · Mathematics 2021-07-12 Elden Elmanto , Marc Hoyois , Adeel A. Khan , Vladimir Sosnilo , Maria Yakerson

We put forward in this paper a uniform narrative that weaves together several variants of Hrushovski-Kazhdan style integral, and describe how it can facilitate the understanding of the Denef-Loeser motivic Milnor fiber and closely related…

Algebraic Geometry · Mathematics 2020-12-21 Goulwen Fichou , Yimu Yin

In this paper, we construct four different theories of integration, two that are for Voevodsky motives, one for mixed $\ell$-adic sheaves, and a fourth theory of integration for rational mixed Hodge structures. We then show that they…

Algebraic Geometry · Mathematics 2019-07-30 Masoud Zargar

We target multivariable series associated with resolutions of complex analytic normal surface singularities. In general, the equivariant multivariable analytical and topological Poincar\'e series are well-defined and have good properties…

Algebraic Geometry · Mathematics 2019-07-30 János Nagy , András Némethi

We generalize the motivic incarnation morphism from the theory of arithmetic integration to the relative case, where we work over a base variety S over a field k of characteristic zero. We develop a theory of constructible effective Chow…

Algebraic Geometry · Mathematics 2016-09-07 Johannes Nicaise

Motivic Serre invariants defined by Loeser and Sebag are elements of the Grothendieck ring of varities modulo $\mathbb{L}-1$. In this paper, we show that we can lift these invariants to modulo the square of $\mathbb{L}-1$ after tensoring…

Algebraic Geometry · Mathematics 2024-02-27 Takehiko Yasuda

In this thesis we compute motivic classes of hypertoric varieties, Nakajima quiver varieties and open de Rham spaces in a certain localization of the Grothendieck ring of varieties. Furthermore we study the $p$-adic pushforward of the Haar…

Algebraic Geometry · Mathematics 2017-09-21 Dimitri Wyss

We prove in this paper the original version of Kontsevich and Soibelman's motivic integral identity conjecture for formal functions by developing a novel framework for equivariant motivic integration on special rigid varieties. This theory…

Algebraic Geometry · Mathematics 2024-05-30 Hong Duc Nguyen

Given a smooth complex threefold X, we define the virtual motive of the Hilbert scheme of n points on X. In the case when X is Calabi-Yau, this gives a motivic refinement of the n-point degree zero Donaldson-Thomas invariant of X. The key…

Algebraic Geometry · Mathematics 2010-08-31 Kai Behrend , Jim Bryan , Balazs Szendroi

We propose a suitable substitute for the classical Grothendieck ring of an algebraically closed field, in which any quasi-projective scheme is represented, while maintaining its non-reduced structure. This yields a more subtle invariant,…

Algebraic Geometry · Mathematics 2009-10-06 Hans Schoutens

This paper introduces a new cohomology theory for schemes of finite type over an arithmetic ring. The main motivation for this Arakelov-theoretic version of motivic cohomology is the conjecture on special values of $L$-functions and zeta…

Number Theory · Mathematics 2015-05-11 Andreas Holmstrom , Jakob Scholbach

A well-known conjecture of Gross and Zagier states that the values of the higher automorphic Green's function at pairs of points with complex multiplication in the upper half-plane are proportional to the logarithm of an algebraic number.…

Number Theory · Mathematics 2025-08-19 Francis Brown , Tiago J. Fonseca

We use a formula of Bultot to compute the motivic zeta function for the toric degeneration of the quartic K3 and its Gross-Siebert mirror dual degeneration. We check for this explicit example that the identification of the logarithm of the…

Algebraic Geometry · Mathematics 2015-05-14 Johannes Nicaise , D. Peter Overholser , Helge Ruddat

We formulate and prove an analog of Poonen's finite-field Bertini theorem with Taylor conditions that holds in the Grothendieck ring of varieties. This gives a broad generalization of the work of Vakil-Wood, who treated the case of smooth…

Algebraic Geometry · Mathematics 2019-10-14 Margaret Bilu , Sean Howe

In this article we give an expression of the motivic Milnor fiber at infinity and the motivic nearby cycles at infinity of a polynomial $f$ in two variables with coefficients in an algebraic closed field of characteristic zero. This…

Algebraic Geometry · Mathematics 2019-10-17 Pierrette Cassou-Noguès , Michel Raibaut

We introduce a new notion of $\boxast$-product of two integrable series with coefficients in distinct Grothendieck rings of algebraic varieties, preserving the integrability and commuting with the limit of rational series. In the same…

Algebraic Geometry · Mathematics 2016-06-24 Quy Thuong Le , Hong Duc Nguyen

In this paper we use motivic integration and non-archimedean analytic geometry to study the singularities at infinity of the fibers of a polynomial map $f\colon \mathbb A^d_\mathbb C \to \mathbb A^1_\mathbb C$. We show that the motive…

Algebraic Geometry · Mathematics 2021-04-21 Lorenzo Fantini , Michel Raibaut

For any scheme $M$ with a perfect obstruction theory, Jiang and Thomas associate a scheme $N$ with symmetric perfect obstruction theory. The scheme $N$ is a cone over $M$ given by the dual of the obstruction sheaf of $M$, and contains $M$…

Algebraic Geometry · Mathematics 2021-06-01 Yunfeng Jiang

In this paper we prove motivic versions of the Langlands-Shelstad Fundamental Lemma and Ng\^o's Geometric Stabilization. To achieve this, we follow the strategy from the recent proof by Groechenig, Wyss and Ziegler which avoided the use of…

Algebraic Geometry · Mathematics 2026-02-12 Arthur Forey , François Loeser , Dimitri Wyss

In this paper, we construct some maps related to the motivic Galois action on depth-graded motivic multiple zeta values. And from these maps we give some short exact sequences about depth-graded motivic multiple zeta values in depth two and…

Number Theory · Mathematics 2018-08-14 Jiangtao Li