Leray numbers of projections and a topological Helly-type theorem
type: Item
instance of: scholarly article
title: Leray numbers of projections and a topological Helly-type theorem
zbMATH Open document ID: 1148.55014
author: Gil Kalai
author: Roy Meshulam
published in: Journal of Topology
publication date: 2008-09-08T00:00:00Z
full work available at URL: https://arxiv.org/abs/0704.0277
Mathematics Subject Classification ID: 55U10
Mathematics Subject Classification ID: 52A35
zbMATH DE Number: 5322829
zbMATH Keywords: rational Leray number
zbMATH Keywords: Helly number
zbMATH Keywords: topological Helly-type theorem
MaRDI profile type: Publication
OpenAlex ID: W2009820254
arXiv ID: 0704.0277
cites work: A short proof of an interesting Helly-type theorem
cites work: Semi-Simplicial Resolutions and Homology of Images and Discriminants of Mappings
cites work: Q4285660
cites work: On Components in Some Families of Sets
cites work: Intersections of Leray complexes and regularity of monomial ideals
cites work: d-collapsing and nerves of families of convex sets
DOI: 10.1112/JTOPOL/JTN010
Recommended article: A Helly type theorem for abstract projective geometries
Recommended article: Geometric properties of upper level sets of Lelong numbers on projective spaces
Recommended article: Q3333617
Recommended article: On {H}erz's projection theorem
Recommended article: On the projection constants of some topological spaces and some applications
Recommended article: A generalization of Lappan's theorem to higher dimensional complex projective space
Recommended article: Lelong numbers on projective varieties
Recommended article: The Lebesgue constants on projective spaces
Recommended article: Q4644043
Recommended article: Hartogs-Bochner type theorem in projective space
description: scientific article