2 papers
math.GN2025
Topological groups from matrices of sets
BoriÅ¡a KuzeljeviÄ, Stepan MiloÅ¡eviÄ, Stevo TodorÄeviÄ
We give a general construction of topological groups from combinatorial structures such as trees, towers, gaps, and subadditive functions. We connect topological properties of corr…
math.LO2025
Basis problem for analytic multiple gaps
Antonio Avilés, Stevo Todorcevic
A k-gap is a finite k-sequence of pairwise disjoint monotone families of infinite subsets of N mixed in such a way that we cannot find a partition of N such that each family is tri…