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Related papers: A criterion for slope 1 homological stability

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We prove a slope 1 stability range for the homology of the symplectic, orthogonal and unitary groups with respect to the hyperbolic form, over any fields other than $F_2$, improving the known range by a factor 2 in the case of finite…

Algebraic Topology · Mathematics 2020-05-06 David Sprehn , Nathalie Wahl

We prove a new kind of stabilisation result, "secondary homological stability", for the homology of mapping class groups of orientable surfaces with one boundary component. These results are obtained by constructing CW approximations to the…

Algebraic Topology · Mathematics 2021-02-22 Soren Galatius , Alexander Kupers , Oscar Randal-Williams

We will study homological stability of the diffeomorphism groups of the manifolds $W_{g,1}:=D^{2n} \# (S^n \times S^n)^{\#g }$ using $E_k$-algebras. This will lead to new improvements in the stability results, especially when working with…

Algebraic Topology · Mathematics 2023-04-10 Ismael Sierra

We prove that the general linear groups of the integers, Gaussian integers, and Eisenstein integers satisfy homological stability of slope 1 when using $\mathbb{Z}[1/2]$-coefficients and of slope $2/3$ when using $\mathbb{Z}$-coefficients.

Algebraic Topology · Mathematics 2023-06-13 Alexander Kupers , Jeremy Miller , Peter Patzt

We show that the homology of the Jones annular algebras is isomorphic to that of the cyclic groups below a line of gradient $\frac{1}{2}$. We also show that the homology of the partition algebras is isomorphic to that of the symmetric…

Algebraic Topology · Mathematics 2025-08-26 Guy Boyde

Borel's stability and vanishing theorem gives the stable cohomology of $\mathrm{GL}(n,\mathbb{Z})$ with coefficients in algebraic $\mathrm{GL}(n,\mathbb{Z})$-representations. We compute the improved stable range that Borel remarked about.…

Algebraic Topology · Mathematics 2022-12-20 Kazuo Habiro , Mai Katada

In Appendix A of his article on rational functions, Segal proved homological stability for configuration spaces with a stability slope of 1/2. This was later improved to a slope of 1 by Church and Randal-Williams if one works with rational…

Algebraic Topology · Mathematics 2019-05-28 Alexander Kupers , Jeremy Miller

We prove homological stability for sequences of "oriented configuration spaces" as the number of points in the configuration goes to infinity. These are spaces of configurations of n points in a connected manifold M of dimension at least 2…

Algebraic Topology · Mathematics 2014-07-18 Martin Palmer

In this paper we prove stability results for the homology of the mapping class group of a surface. We get a stability range that is near optimal, and extend the result to twisted coefficients.

Algebraic Topology · Mathematics 2009-04-22 Søren K. Boldsen

We propose a way to organise the subject of ``higher-order homological stability'', in the context of a graded $E_2$-algebra $\mathbf{R}$, along the same lines that the chromatic perspective organises stable homotopy theory. From this point…

Algebraic Topology · Mathematics 2026-03-04 Oscar Randal-Williams

We show that the homology of strata of abelian differentials stabilizes in a range where the number of simple zeros is large relative to the homological degree. In this range, we show that the rational cohomology agrees with the restriction…

Algebraic Geometry · Mathematics 2026-03-26 Philip Tosteson

Conjecture F from [VW12] states that the complements of closures of certain strata of the symmetric power of a smooth irreducible complex variety exhibit rational homological stability. We prove a generalization of this conjecture to the…

Algebraic Topology · Mathematics 2014-12-17 Alexander Kupers , Jeremy Miller , TriThang Tran

Given a graded $E_1$-module over an $E_2$-algebra in spaces, we construct an augmented semi-simplicial space up to higher coherent homotopy over it, called its canonical resolution, whose graded connectivity yields homological stability for…

Algebraic Topology · Mathematics 2019-10-23 Manuel Krannich

We prove Conjecture F from [VW12] which states that the complements of closures of certain strata of the symmetric power of a smooth irreducible complex variety exhibit rational homological stability. Moreover, we generalize this conjecture…

Algebraic Topology · Mathematics 2013-12-24 Alexander Kupers , Jeremy Miller

Following the argument for diffeomorphisms by Galatius and Randal-Williams, we prove that homeomorphisms of 1-connected manifolds of even dimension at least 6 exhibit homological stability. We deduce similar results for PL homeomorphisms…

Algebraic Topology · Mathematics 2016-08-23 Alexander Kupers

We show how to formulate some recent results from homological stability of algebras in Graham and Lehrer's language of cellular algebras. The aim is to begin to connect the new results from topology to well-established representation…

Representation Theory · Mathematics 2023-10-12 Guy Boyde

We define bounded generation for $E_n$-algebras in chain complexes and prove that for $n \geq 2$ this property is equivalent to homological stability. Using this we prove a local-to-global principle for homological stability, which says…

Algebraic Topology · Mathematics 2017-01-24 Alexander Kupers , Jeremy Miller

We prove new homological stability results for general linear groups over finite fields. These results are obtained by constructing CW approximations to the classifying spaces of these groups, in the category of $E_\infty$-algebras, guided…

Algebraic Topology · Mathematics 2025-01-22 Soren Galatius , Alexander Kupers , Oscar Randal-Williams

Wahl recently proved that the homology of the non-orientable mapping class group stabilizes as the genus increases. In this short note we analyse the situation where the underlying non-orientable surfaces have marked points.

Algebraic Topology · Mathematics 2008-06-09 Elizabeth Hanbury

We introduce a set of combinatorial techniques for studying the simplicial bounded cohomology of semi-simplicial sets, simplicial complexes and posets. We apply these methods to prove several new bounded acyclicity results for…

Algebraic Topology · Mathematics 2023-09-12 Thorben Kastenholz , Robin J. Sroka
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