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相关论文: Transfers in coarse homology

200 篇论文

We present a version of higher Hochschild homology for spaces equipped with principal bundles for a structure group $G$. As coefficients, we allow $E_\infty$-algebras with $G$-action. For this homology theory, we establish an equivariant…

代数拓扑 · 数学 2019-05-13 Lukas Müller , Lukas Woike

We demonstrate under appropriate finiteness conditions that a coarse embedding induces an inequality of homological Dehn functions. Applications of the main results include a characterization of what finitely presentable groups may admit a…

几何拓扑 · 数学 2020-11-19 Robert Kropholler , Mark Pengitore

We introduce generalizations of global equivariant spectra which encode globally equivariant cohomology theories equipped with additional transfers, such as the deflation maps present in equivariant topological $K$-theory. We call these…

代数拓扑 · 数学 2026-03-19 William Balderrama , Jack Morgan Davies , Sil Linskens

It is characterized when coarsening functors between categories of graded modules preserve injectivity of objects, and when they commute with graded covariant Hom functors.

交换代数 · 数学 2013-04-09 Fred Rohrer

We use sheaf theory and the six operations to define and study the (equivariant) homology of stacks. The construction makes sense in the algebraic, complex-analytic, or even topological categories.

代数拓扑 · 数学 2025-06-06 Adeel A. Khan

The notion of a duality between two derived functors as well as an extension theorem for derived functors to larger categories in which they need not be defined is introduced. These ideas are then applied to extend and study the coext…

环与代数 · 数学 2014-02-19 Anastasis Kratsios

We investigate an equivariant generalization of Morse theory for a general class of integrable models. In particular, we derive equivariant versions of the classical Poincar\'e-Hopf and Gauss-Bonnet-Chern theorems and present the…

高能物理 - 理论 · 物理学 2008-02-03 A. J. Niemi , K. Palo

In this paper, we consider the Hermitian $K$-theory of schemes with involution, for which we construct a transfer morphism and prove a version of the d\'{e}vissage theorem. This theorem is then used to compute the Hermitian $K$-theory of…

K理论与同调 · 数学 2019-10-15 Heng Xie

We show that coarse maps between countable metric spaces of bounded geometry induce natural transformations of sufficiently good endofunctors of C*-algebras and prove that this correspondence is invariant with respect to coarse homotopies.

算子代数 · 数学 2025-08-12 Georgii S. Makeev

We prove some injectivity theorems. Our proof depends on the theory of mixed Hodge structures on cohomology groups with compact support. Our injectivity theorems would play crucial roles in the minimal model theory for higher-dimensional…

代数几何 · 数学 2015-07-06 Osamu Fujino

We generalize several comparison results between algebraic, semi-topological and topological K-theories to the equivariant case with respect to a finite group.

K理论与同调 · 数学 2013-08-21 Jeremiah Heller , Jens Hornbostel

Toric orbifolds are a topological generalization of projective toric varieties associated to simplicial fans. We introduce some sufficient conditions on the combinatorial data associated to a toric orbifold to ensure the existence of an…

代数几何 · 数学 2021-06-29 Soumen Sarkar , V. Uma

In this article, we introduce the notion of a functor on coarse spaces being coarsely excisive- a coarse analogue of the notion of a functor on topological spaces being excisive. Further, taking cones, a coarsely excisive functor yields a…

代数拓扑 · 数学 2014-10-01 Paul D. Mitchener

We begin the study the algebraic topology of semi-coarse spaces, which are generalizations of coarse spaces that enable one to endow non-trivial `coarse-like' structures to compact metric spaces, something which is impossible in coarse…

代数拓扑 · 数学 2024-10-01 Antonio Rieser , Jonathan Treviño-Marroquín

Using the language of coarse homology theories, we provide an axiomatic account of vanishing results for the fibres of forget-control maps associated to spaces with equivariant finite decomposition complexity.

K理论与同调 · 数学 2019-10-30 Ulrich Bunke , Alexander Engel , Daniel Kasprowski , Christoph Winges

In this paper, we establish a theorem that proves a condition when an inclusion morphism between simplicial sets becomes a weak homotopy equivalence. Additionally, we present two applications of this result. The first application…

代数拓扑 · 数学 2024-05-07 Hisato Matsukawa

We develop differential algebraic K-theory for rings of integers in number fields and we construct a cycle map from geometrized bundles of modules over such a ring to the differential algebraic K-theory. We also treat some of the…

K理论与同调 · 数学 2016-02-09 Ulrich Bunke , David Gepner

We construct Kasparov's bifunctor $KK$ and $E$-theory by stable homotopy theoretic methods. This is motivated by results concerning constructions of bivariant theories on more general categories such as, for example, bornological algebras.…

代数拓扑 · 数学 2013-04-29 Martin Grensing

We explore a conjecture of Morel about the Bass-Tate transfers defined on the contraction of a homotopy sheaf and prove that the conjecture is true with rational coefficients. Moreover, we study the relations between (contracted) homotopy…

代数几何 · 数学 2020-07-31 Niels Feld

We consider a filtration on the cohomology of the structure sheaf indexed by (not necessarily reduced) divisors ``at infinity''. We show that the filtered pieces have transfers morphisms, fpqc descent, and are so called cube invariant. In…

代数几何 · 数学 2023-06-13 Shane Kelly , Hiroyasu Miyazaki