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In this work, we construct a persistent version of the well-known Leray spectral sequence. More precisely, we construct a spectral sequence that computes the persistent cohomology of a space from the persistent cohomology in each open set…

Algebraic Topology · Mathematics 2026-04-07 Edivaldo L. dos Santos , Telmo I. Acosta Vellozo

We construct some spectral sequences as tools for computing commutative cohomology of commutative Lie algebras in characteristic 2. In a first part, we focus on a Hochschild-Serre-type spectral sequence, while in a second part we obtain…

Algebraic Topology · Mathematics 2019-08-21 Friedrich Wagemann

We study a spectral sequence approximating Lie algebroid cohomology associated to a Lie subalgebroid. This is a simultaneous generalisation of several classical constructions in differential geometry, including the Leray-Serre spectral…

Differential Geometry · Mathematics 2024-10-25 Ioan Mărcuţ , Andreas Schüßler

Let $G$ be a smooth connected reductive group over a field $k$ and $\Gamma$ be a central subgroup of $G$. We construct Eilenberg-Moore-type spectral sequences converging to the Hodge and de Rham cohomology of $B(G/\Gamma)$. As an…

Algebraic Geometry · Mathematics 2022-08-30 Dmitry Kubrak , Federico Scavia

We recall how a description of local coefficients that Eilenberg introduced in the 1940s leads to spectral sequences for the computation of homology and cohomology with local coefficients. We then show how to construct new equivariant…

Algebraic Topology · Mathematics 2010-05-04 Megan Guichard Shulman

This paper describes the Leray spectral sequence associated to a differential fibration. The differential fibration is described by base and total differential graded algebras. The cohomology used is noncommutative differential sheaf…

Quantum Algebra · Mathematics 2011-08-26 Edwin Beggs , Ibtisam Masmali

Colocalization is a right adjoint to the inclusion of a subcategory. Given a ring-spectrum R, one would like a spectral sequence which connects a given colocalization in the derived category of R-modules and an appropriate colocalization in…

Algebraic Topology · Mathematics 2012-06-26 Shoham Shamir

In this paper the Serre spectral sequence of Moerdijk and Svensson is extended from Bredon cohomology to RO(G)-graded cohomology for finite groups G. Special attention is paid to the case G=Z/2 where the spectral sequence is used to compute…

Algebraic Topology · Mathematics 2009-08-27 William C. Kronholm

The Leray spectral sequence of a map $f$ computes the homology of the domain of $f$ from the fibers of $f$. In this expository paper, we relate in full detail the Leray spectral sequence associated to a simplicial map $f$ to the Leray…

Algebraic Topology · Mathematics 2019-12-19 Amit Patel , Dustin Sauriol

In this article we provide a version of the Leray-Serre spectral sequence for equidimensional (i.e. smooth with all orbits of the same dimension) actions of compact connected Lie groups on compact manifolds. The main part of this article…

Algebraic Topology · Mathematics 2025-10-24 Paweł Raźny

We set up machinery for recognizing k-cellular modules and k-cellular approximations, where k is an R-module and R is either a ring or a ring-spectrum. Using this machinery we can identify the target of the Eilenberg-Moore cohomology…

Algebraic Topology · Mathematics 2014-10-01 Shoham Shamir

We show the homological Serre spectral sequence with coefficients in a field is a spectral sequence of coalgebras. We also identify the comultiplication on the $E^2$ page of the spectral sequence as being induced by the usual…

Algebraic Topology · Mathematics 2020-07-08 David Chan

In this work, we build a spectral sequence in motivic homotopy that is analogous to both the Serre spectral sequence in algebraic topology and the Leray spectral sequence in algebraic geometry. Here, we focus on laying the foundations…

Algebraic Geometry · Mathematics 2019-05-10 Aravind Asok , Frédéric Déglise , Jan Nagel

We show that in the category of complex algebraic varieties, the Eilenberg--Moore spectral sequence can be endowed with a weight filtration. This implies that it degenerates if all involved spaces have pure cohomology. As application, we…

Algebraic Geometry · Mathematics 2007-05-23 Matthias Franz , Andrzej Weber

Through the theory of Lie bi-algebroids and generalized complex structures, one could define a cohomology theory naturally associated to a holomorphic Poisson structure. It is known that it is the hypercohomology of a bi-complex such that…

Differential Geometry · Mathematics 2016-11-29 Yat Sun Poon

We prove that the Leray spectral sequence in rational cohomology for the quotient map $U_{n,d} \to U_{n,d}/G$ where $U_{n,d}$ is the affine variety of equations for smooth hypersurfaces of degree $d$ in $\PP^n(\C)$ and $G$ is the general…

Algebraic Geometry · Mathematics 2007-05-23 C. A. M. Peters , J. H. M. Steenbrink

Our goal is to prove that the Leray spectral sequence associated to a map of algebraic varieties is motivic in the following sense: If the singular cohomology groups of the category of quasiprojective varieties defined over a subfield of C…

Algebraic Geometry · Mathematics 2009-11-10 Donu Arapura

In this article we construct what we call a higher spectral sequence for any chain complex (or topological space) that is filtered in $n$ compatible ways. For this we extend the previous spectral system construction of the author, and we…

Algebraic Topology · Mathematics 2021-07-07 Benjamin Matschke

The higher Leray-Serre spectral sequence associated with a tower of fibrations represents a generalization of the classical Leray-Serre spectral sequence of a fibration. In this work, we present algorithms to compute higher Leray-Serre…

Algebraic Topology · Mathematics 2021-07-23 Andrea Guidolin , Ana Romero

We introduce a four-term long exact sequence that relates the cohomology of a smooth variety admitting a projective morphism onto a projective base to the cohomology of the open set obtained by removing the preimage of a general linear…

Algebraic Geometry · Mathematics 2024-10-29 Charles F. Doran , Alan Thompson
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