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SS 2019

16.04.2019 um 12:00 Uhr in Raum 69/E15

Ronan Herry (Universität Bonn)

Stable approximation on the Poisson space

We prove a stable limit theorem for functionals of a Poisson point process. The limit can be taken in the class of conditionally Gaussian distributions. Our work generalizes the recently established fourth moment theorem on the Poisson space (Döbler & Peccati, 2018 <tel:2018>). We will present applications to the study of some stochastic processes.
The proof relies on stochastic analysis and Malliavin calculus for the Poisson space. I will review all the definitions and important results on the subject.
If time permits, I will also hint at some potential applications in stochastic geometry (still under investigation).

30.04.2019 um 12:00 Uhr in Raum 69/E15

Friedemann Liebaug

Random Spatial Networks

07.05.2019 um 10:30 Uhr in Raum 69/E15

Grace Itunuoluwa Akinwande

Poisson approximations for a random f-vector

We consider the f-vector of a random simplicial complex in the sparse regime and get bounds fot the Poisson approximation in the univariate case.

14.05.2019 um 12:00 Uhr in Raum 69/E15

Binh Hong Ngoc

Lattice point covering problem

We discuss some results for lattice point covering problems in dimension two and give bounds for the expected mean width of randomized lattice polygons.

21.05.2019 um 12:00 Uhr in Raum 69/E15

Matthias Reitzner

High Dimensional Random Simplices

28.05.2019 um 14:00 Uhr in Raum 69/118

Stephan Bussmann

CLTs for Geometric Functionals of Compact Sets

We consider a Boolean model based on an inhomogenous Poisson process of compact particles in Euclidean space. Our approach builds on the work of Hug, Last and Schulte (2016) and adapts their results to be compatible with our setting. We look at applications in network science, where aforementioned compact sets model communication ranges of wireless network participants.