activity
20142025
collaborators

5 papers

math.CA2025

Singular functions obtained via random function iteration

Cristian Mitrea, Alef E. Sterk

In this paper we consider a discrete-time dynamical system on the real line by random iteration of two functions. These functions are assumed to satisfy appropriate monotonicity co…

math.AP2024

Well-posedness results for general reaction-diffusion transport of oxygen in encapsulated cells

Yuma Nakamura, Kharisma Surya Putri, Alef Sterk +1

In this paper, we provide well-posedness results for nonlinear parabolic PDEs given by reaction-diffusion equations describing the concentration of oxygen in encapsulated cells. Th…

math.AP2023

Reaction-diffusion transport into core-shell geometry: Well-posedness and stability of stationary solutions

T. G. de Jong, G. Prokert, A. E. Sterk

We investigate a nonlinear parabolic reaction-diffusion equation describing the oxygen concentration in encapsulated pancreatic cells with a general core-shell geometry. This geome…

math.DS2020

Generalized Fibonacci numbers and extreme value laws for the Rényi map

N. B-S. Boer, A. E. Sterk

In this paper we prove an extreme value law for a stochastic process obtained by iterating the Rényi map , where we assume that is an integer. Haiman (2…

math.DS2014

Quantitative recurrence statistics and convergence to an extreme value distribution for non-uniformly hyperbolic dynamical systems

Mark Holland, Pau Rabassa, Alef Sterk

For non-uniformly hyperbolic dynamical systems we consider the time series of maxima along typical orbits. Using ideas based upon quantitative recurrence time statistics we prove c…