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Summer Term 2021, Doctoral School Events
2021-03-19 Doctoral School Seminar (10:00–12:00, Video conference, TU)
Michael Missethan (TU, advisor M. Kang): Maximum degree in random planar graphs [show abstract]
Daniel Windisch (TU, advisor S. Frisch): Prime ideals in infinite products of commutative rings [show abstract]
New Students (TU+KFU): F. Dellinger, S. Pojer, A. Habring
Benjamin Klahn (TU, advisor C. Elsholtz): A Divisor Problem for Polynomials [show abstract]
2021-04-23 Doctoral School Seminar (14:00–16:30, Video conference, KFU)
Christian Lindorfer (TU, advisor W. Woess): Word problems for groups [show abstract]
Panagiotis Spanos (TU, advisor W. Woess): Random walks and the Dirichlet problem at infinity [show abstract]
New Students (TU+KFU): D. Yang, W. Kern, M. Hauke
Aqsa Bashir (KFU, advisor A. Geroldinger): Stable Domains and their Arithmetic [show abstract]
2021-05-21 Doctoral School Seminar (10:00–12:00, Video Conference, TU)
Julian Zalla (TU, advisor M. Kang): Loose cores and cycles in random hypergraphs [show abstract]
Raphael Watschinger (TU, advisor G. Of): An integration by parts formula for the hypersingular boundary integral operator of the heat equation [show abstract]
New Students (TU+KFU): A. Cesarano, B. Eren Gökmen, E. Chenchene
Richard Huber (KFU, advisor K. Bredies): Evolution of Critical Trajectories [show abstract]
2021-06-18 Doctoral School Seminar (14:00–16:30, Video conference, KFU)
Josef Strini (TU, advisor S. Thonhauser): A time-inconsistent stochastic optimal control problem from risk theory

Abstract: The two main extensions of the dividend maximisation problem yield apparently extreme solutions concerning the ruin event. We strive for a solution allowing a moderate probability of ruin. In the diffusion model a modification of the reward function results in a stochastic control problem which is time-inconsistent due to the lack of the dynamic programming property. The associated solution is found by means of an equilibrium approach. Caused by the inherent complexity we make use of the theory of viscosity solutions and solve the problem numerically[hide abstract]

Huan Chen (KFU, advisor G. Haase): Reinforcement learning based controller for hybrid electric vehicles [show abstract]
Martin Schwinzerl (KFU, advisor G. Haase): Optimising The Numerical Performance and Scalability Of Beam Field Elements In Beam Dynamics Simulations [show abstract]
Thomas Hirschler (TU, advisor W. Woess): Comparing Entropy Rates on Finite and Infinite Rooted Trees [show abstract]