6 citations · 6 across the 13 of their papers we have counts for
3 papers · 1 filter
Coarse equivalence versus bijective coarse equivalence of expander graphs
Florent Baudier, Bruno de Mendonça Braga, Ilijas Farah +2
We provide a characterization of when a coarse equivalence between coarse disjoint unions of expander graphs is close to a bijective coarse equivalence. We use this to show that if…
Trivial Isomorphisms between Reduced Products
Ben De Bondt, Ilijas Farah, Alessandro Vignati
We introduce a general method for showing under weak forcing axioms that reduced products of countable models of a theory have as few automorphisms as possible. We show that su…
Constructing Compacta from Posets
Adam Bartoš, Tristan Bice, Alessandro Vignati
We develop a simple method of constructing topological spaces from countable posets with finite levels, one which applies to all second countable T_1 compacta. This results in a du…