3 papers
math.RA2023
An algebraic structure of groups of solutions of the third Aczel-Jabotinsky formal differential equation
Wojciech Jablonski, Ludwig Reich
We study the algebraic structure of the groups of solutions of the third Acz{é}l-Jabotinsky differential equation in the rings of formal po…
math.CA2019
On subadditive functions upper bounded on a 'large' set
N. H. Bingham, Eliza Jablonska, Wojciech Jablonski +1
The notion of a shift-compact set in an abelian topological group plays a significant role in functional equations and inequalities, especially so since each Borel set that is…
math.FA2018
Steinhaus-type property for a boundary of a convex body
Wojciech Jablonski
We show that if is a neighbourhood of a point of the boundary of a convex body then it has the so-called Stainhaus-type property (the in…