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We define a trace map for every cohomological correspondence in the motivic stable homotopy category over a general base scheme, which takes values in the twisted bivariant groups. Local contributions to the trace map give rise to quadratic…

Algebraic Geometry · Mathematics 2024-03-29 Fangzhou Jin

In this paper we introduce the categorical "true local terms" maps for Artin stacks and show that they are additive and commute with proper pushforwards, smooth pullbacks and specializations. In particular, we generalizing results of [Va2]…

Algebraic Geometry · Mathematics 2024-02-26 Dennis Gaitsgory , Yakov Varshavsky

We prove a relative Lefschetz-Verdier theorem for locally acyclic objects over a Noetherian base scheme. This is done by studying duals and traces in the symmetric monoidal $2$-category of cohomological correspondences. We show that local…

Algebraic Geometry · Mathematics 2024-01-17 Qing Lu , Weizhe Zheng

We prove that, in certain situations, intersection numbers on formal schemes that come in profinite families vary locally constantly in the parameter. To this end, we define the product $S\times M$ of a profinite set $S$ with a locally…

Algebraic Geometry · Mathematics 2022-04-27 Andreas Mihatsch

Deligne's conjecture is the Lefschetz trace formula for correspondences defined over a finite field. In this paper, we prove an analogous statement of Deligne's conjecture with respect to $p^n$-torsion \'etale cohomology under certain…

Algebraic Geometry · Mathematics 2012-05-09 Megumi Takata

We introduce the notion of a Thom class of a current and define the localized intersection of currents. In particular we consider the situation where we have a smooth map of manifolds and study localized intersections of the source manifold…

Complex Variables · Mathematics 2016-12-09 Cinzia Bisi , Filippo Bracci , Takeshi Izawa , Tatsuo Suwa

The goal of this paper is to generalize a theorem of Fujiwara (formerly Deligne's conjecture) to the situation appearing in a joint work [KV] with David Kazhdan on the global Langlands correspondence over function fields. Moreover, our…

Algebraic Geometry · Mathematics 2007-05-23 Yakov Varshavsky

Let $F$ be a smooth foliation on a closed Riemannian manifold $M$, and let $\Lambda$ be a transverse invariant measure of $F$. Suppose that $\Lambda$ is absolutely continuous with respect to the Lebesgue measure on smooth transversals. Then…

Geometric Topology · Mathematics 2008-01-31 Jesús A. Álvarez López , Yuri A. Kordyukov

We prove that the d\'evissage property holds for periodic cyclic homology for a local complete intersection embedding into a smooth scheme. As a consequence, we show that the complexified topological Chern character maps for the bounded…

K-Theory and Homology · Mathematics 2024-08-21 Michael K. Brown , Mark E. Walker

In this paper, we define the notion of graph trace kernels as a generalization of trace kernels. We associate a microlocal Lefschetz class with a graph trace kernel and prove that this class is functorial with respect to the composition of…

Algebraic Geometry · Mathematics 2019-10-29 Yuichi Ike

In this paper, we show that there is a close relation between consistency in a constraint network and set intersection. A proof schema is provided as a generic way to obtain consistency properties from properties on set intersection. This…

Artificial Intelligence · Computer Science 2011-10-12 R. H. C. Yap , Y. Zhang

In this paper we present local Sternberg conjugation theorems near attracting fixed points for lattice systems. The interactions are spatially decaying and are not restricted to finite distance. The conjugations obtained retain the same…

Dynamical Systems · Mathematics 2021-02-24 Ruben Berenguel , Ernest Fontich

The local trace formula gives strong relations between two types of invariant distributions on a reductive group defined over a local field: orbital integrals and characters of representations. For connected reductive groups, the formula…

Representation Theory · Mathematics 2012-09-14 Jean-Loup Waldspurger

The Lefschetz fixed point theorem follows easily from the identification of the Lefschetz number with the fixed point index. This identification is a consequence of the functoriality of the trace in symmetric monoidal categories. There are…

Algebraic Topology · Mathematics 2014-02-25 Kate Ponto

We prove a general inequality for estimating the number of points of arbitrary complete intersections over a finite field. This extends a result of Deligne for nonsingular complete intersections. For normal complete intersections, this…

Algebraic Geometry · Mathematics 2009-09-15 Sudhir R. Ghorpade , Gilles Lachaud

The Lefschetz number and fixed point index can be thought of as two different descriptions of the same invariant. The Lefschetz number is algebraic and defined using homology. The index is defined more directly from the topology and is a…

Algebraic Topology · Mathematics 2015-04-27 Kate Ponto

This is the first of a series of papers devoted to the stabilization of the twisted trace formula. It is just an introduction. We present the local theory of twisted endoscopy, following the fundamental works of Kottwitz-Shelstad, Labesse…

Representation Theory · Mathematics 2014-01-21 Jean-Loup Waldspurger

The Lefschetz fixed point theorem and its converse have many generalizations. One of these generalizations is to endomorphisms of a space relative to a fixed subspace. In this paper we define relative Lefschetz numbers and Reidemeister…

Algebraic Topology · Mathematics 2014-10-01 Kate Ponto

We show that on integral normal separated schemes whose function field is separably closed, for each pair of points the intersection of the resulting local schemes is local. This extends a result of Artin from rings to schemes. The argument…

Algebraic Geometry · Mathematics 2021-10-04 Stefan Schröer

We show that local-global compatibility (at split primes) away from $p$ holds at all points of the $p$-adic eigenvariety of a definite $n$-variable unitary group. The novelty is we allow non-classical points, possibly non-\'{e}tale over…

Number Theory · Mathematics 2017-08-04 Christian Johansson , James Newton , Claus Sorensen
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