English
Related papers

Related papers: Motivic Milnor classes

200 papers

We study the structure of the rational motivic stable homotopy category over general base schemes. Our first class of results concerns the six operations: we prove absolute purity, stability of constructible objects, and…

Algebraic Geometry · Mathematics 2021-03-15 Frédéric Déglise , Jean Fasel , Adeel A. Khan , Fangzhou Jin

This paper sets out basic properties of motivic twisted K-theory with respect to degree three motivic cohomology classes of weight one. Motivic twisted K-theory is defined in terms of such motivic cohomology classes by taking pullbacks…

Algebraic Topology · Mathematics 2010-08-31 Markus Spitzweck , Paul Arne Østvær

We prove a new formula for the Hirzebruch-Milnor classes of global complete intersections with arbitrary singularities describing the difference between the Hirzebruch classes and the virtual ones. This generalizes a formula for the…

Algebraic Geometry · Mathematics 2013-03-07 Laurentiu Maxim , Morihiko Saito , Joerg Schuermann

In this paper, semilocal Milnor $K$-theory of fields is introduced and studied. A strongly convergent spectral sequence relating semilocal Milnor $K$-theory to semilocal motivic cohomology is constructed. In weight 2, the motivic cohomology…

K-Theory and Homology · Mathematics 2022-11-22 Grigory Garkusha

In this paper we give a proof of the fact, that the motivic Hodge-Chern class transformation MHC_y and Hirzebruch class transformation MHT_y* for mixed Hodge modules and strictly specializable filtered D-modules commute with specialization…

Algebraic Geometry · Mathematics 2009-09-21 Joerg Schuermann

The Milnor-Hirzebruch class of a locally complete intersection X in an algebraic manifold M measures the difference between the (Poincare dual of the) Hirzebruch class of the virtual tangent bundle of X and, respectively, the…

Algebraic Topology · Mathematics 2012-04-03 Sylvain E. Cappell , Laurentiu Maxim , Joerg Schuermann , Julius L. Shaneson

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

We construct a comparison functor from the dual category of motivic homotopy category $\mathcal{SH}$ to the category of $\mathbb{A}^1$-invariant localizing motives $\operatorname{Mot}_{\operatorname{loc}}^{\mathbb{A}^1}$ in the sense of…

Algebraic Geometry · Mathematics 2026-03-13 Tianjian Tan

By calculating the equivariant mixed Hodge numbers of motivic Milnor fibers introduced by Denef-Loeser, we obtain explicit formulas for the Jordan normal forms of Milnor monodromies. The numbers of the Jordan blocks will be described by the…

Algebraic Geometry · Mathematics 2012-02-24 Yutaka Matsui , Kiyoshi Takeuchi

We show that the zero-dimensional part of the pro-Chern-Schwarz-MacPherson class defined by Aluffi is equal to the pro-characteristic class in limit Borel-Moore motivic homology. A similar construction also produces a quadratic refinement…

Algebraic Geometry · Mathematics 2022-09-27 Fangzhou Jin , Peng Sun , Enlin Yang

We construct log-motivic cohomology groups for semistable varieties and study the $p$-adic deformation theory of log-motivic cohomology classes. Our main result is the deformational part of a $p$-adic variational Hodge conjecture for…

Algebraic Geometry · Mathematics 2025-12-15 Oliver Gregory , Andreas Langer

In this paper we compare different notions of transversality for possible singular complex algebraic or analytic subsets of an ambient complex manifold and prove a refined intersection formula for their Chern-Schwartz-MacPherson classes. In…

Algebraic Geometry · Mathematics 2016-01-07 Joerg Schuermann

We obtain a formula for the generating series of (the push-forward under the Hilbert-Chow morphism of) the Hirzebruch homology characteristic classes of the Hilbert schemes of points for a smooth quasi-projective variety of arbitrary pure…

Algebraic Geometry · Mathematics 2014-11-11 Sylvain Cappell , Laurentiu Maxim , Toru Ohmoto , Joerg Schuermann , Shoji Yokura

We compute the equivariant Hirzebruch class of the quadric cone in C^n degenerating it to an intersection to hyperplanes. The difference of the Hirzebruch classes (measured by the Milnor class) turns out to be the Hirzebruch class of the…

Algebraic Geometry · Mathematics 2014-09-03 Malgorzata Mikosz , Andrzej Weber

Two semisimple algebraic groups of the same type are said to be motivic equivalent if the motives of the associated projective homogeneous varieties of the same type are isomorphic. We give general criteria of motivic equivalence in terms…

Algebraic Geometry · Mathematics 2013-04-02 Charles De Clercq

In this paper, we consider the split even Clifford group $\Gamma^+_n$ and compute the mod 2 motivic cohomology ring of its Nisnevich classifying space. The description we obtain is quite similar to the one provided for spin groups in [11].…

Algebraic Geometry · Mathematics 2024-11-26 Fabio Tanania

Let X be a smooth variety over a field k and D an effective divisor whose support has simple normal crossings. We construct an explicit cycle map from the r-th Nisnevich motivic complex of the pair (X,D) to a shift of the r-th relative…

Algebraic Geometry · Mathematics 2016-07-13 Kay Rülling , Shuji Saito

We introduce a new stable birational invariant, which takes the form of a functor sending a degenerating variety to the homotopy type of a chain complex. Our invariant is a categorification of the motivic volume of Nicaise and Shinder. From…

Algebraic Geometry · Mathematics 2025-03-03 James Hotchkiss , David Stapleton

Let $F$ be a finitely generated regular field extension of transcendence degree $\geq 2$ over a perfect field $k$. We show that the multiplicative group $F^\times/k^\times$ endowed with the equivalence relation induced by algebraic…

Algebraic Geometry · Mathematics 2018-08-16 Anna Cadoret , Alena Pirutka

A mixed Weil cohomology with values in an abelian rigid tensor category is a cohomological functor on Voevodsky's category of motives which is satisfying K\"unneth formula and such that its restriction to Chow motives is a Weil cohomology.…

Algebraic Geometry · Mathematics 2025-08-27 L. Barbieri-Viale