3 papers
math.GN2020
Games characterizing limsup functions and Baire class 1 functions
Márton Elekes, János Flesch, Viktor Kiss +3
We consider a real-valued function defined on the set of infinite branches of a countably branching pruned tree . The function is said to be a \textit{limsup functio…
math.CA2019
Substituting the typical compact sets into a power series
Donát Nagy
The Minkowski sum and Minkowski product can be considered as the addition and multiplication of subsets of . If we consider a compact subset and a pow…
math.LO2018
A Haar meager set that is not strongly Haar meager
Márton Elekes, Donát Nagy, Márk Poór +1
Following Darji, we say that a Borel subset of an abelian Polish group is Haar meager if there is a compact metric space and a continuous function such th…