I. Vergara

activity

20142026

most citedEuropium Underneath Graphene on Ir(111): Intercalation Mechanism, Magnetism, and Band Structure

78 citations · 244 across the 20 of their papers we have counts for

collaborators

Showing 2024 · math.GRShow all

4 papers · 2 filters

math.GR2024

Quasi-trees, Lipschitz free spaces, and actions on $ℓ^{1}$

Ignacio Vergara

We show that the Lipschitz free space of a countable simplicial quasi-tree is isomorphic to $ℓ^{1}$ . As a consequence, every finitely generated group with Property (QT) of Bestvin…

math.GR2024

A connection between Lipschitz and Kazhdan constants for groups of homeomorphisms of the real line

Ignacio Vergara

We exhibit an obstruction for groups with Relative Property (T) to act on the real line by bi-Lipschitz homeomorphisms. This condition is expressed in terms of the Lipschitz and Ka…

math.GR2024

An invitation to weak amenability, after Cowling and Haagerup

Ignacio Vergara

We present an introduction to weak amenability for locally compact groups, and a survey of some of the most important results regarding this property.

math.GR2024

Property $(TTT)$ and the Cowling--Haagerup constant

Ignacio Vergara

We show that Property $(TTT)$ is an obstruction to weak amenability with Cowling--Haagerup constant $1$ . More precisely, if $G$ is a countable group and $H$ is an infinite…

Quasi-trees, Lipschitz free spaces, and actions on ℓ1

A connection between Lipschitz and Kazhdan constants for groups of homeomorphisms of the real line

An invitation to weak amenability, after Cowling and Haagerup

Property (TTT) and the Cowling--Haagerup constant

Quasi-trees, Lipschitz free spaces, and actions on $ℓ^{1}$

Property $(TTT)$ and the Cowling--Haagerup constant