3 papers
math.GN2021
The topological resolution of a finite closure space
Josef Eschgfäller
For every finite closure space one can define a finite topological space together with a natural projection . This…
math.CO2016
Random functions from coupled dynamical systems
Lucilla Baldini, Josef Eschgfäller
Let be a mapping and be a subset of which intersects every (positive) orbit of . Assume that there are given a second dynamical system $λ:Y\longri…
math.CO2016
Dichotomic random number generators
Josef Eschgfäller, Andrea Scarpante
We introduce several classes of pseudorandom sequences which represent a natural extension of classical methods in random number generation. The sequences are obtained from constru…