YoVDO

Star Clusters in Clique Complexes and the Vietoris-Rips Complex of Planar Sets

Offered By: Applied Algebraic Topology Network via YouTube

Tags

Vietoris-Rips Complexes Courses Algebraic Topology Courses Simplicial Complexes Courses Homotopy Theory Courses

Course Description

Overview

Explore star clusters in clique complexes and the Vietoris-Rips complex of planar sets in this 50-minute conference talk by Jonathan Barmak. Delve into the concept of star clusters in simplicial complexes and their contractibility in clique complexes. Discover applications of this notion in studying homotopy invariants of independence complexes of graphs. Examine the Vietoris-Rips complex of planar sets, including its free fundamental group property and the conjecture about its homotopy type. Learn how star clusters can be utilized to obtain homotopy information of the Vietoris-Rips complex. The talk covers topics such as independence complexes of graphs, proofs, applications, nontrivial lower bounds, contractile subcomplexes, and concludes with questions and discussions on uniform bounds.

Syllabus

Introduction
Independence complexes of graphs
Star clusters
Independence complexes
Proof
Applications
Other homotopic types
Nontrivial lower bounds
Contractile subcomplex
Questions
Uniform bound


Taught by

Applied Algebraic Topology Network

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