2 papers
math.FA2024
Transformation semigroups and their applications
Katarzyna Pichór, Ryszard Rudnicki
In this chapter we present transformation semigroups and their applications. We begin with Klein's approach to geometry based on invariants of transformation groups. Then we presen…
math.PR2022
Asymptotic properties of a general model of immune status
Katarzyna Pichór, Ryszard Rudnicki
We consider a model of dynamics of the immune system. The model is based on three factors: occasional boosting and continuous waning of immunity and a general description of the pe…