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Bounded Cohomology of Groups acting on Cantor sets
(2022)We study the bounded cohomology of certain groups acting on the Cantor set. More specifically, we consider the full group of homeomorphisms of the Cantor set as well as Thompson's group $V$. We prove that both of these groups are boundedly acyclic, that is the bounded cohomology with trivial real coefficients vanishes in positive degrees. Combining this result with the already established $\mathbb{Z}$-acyclicity of Thompson's group $V$, ...Master Thesis -
Network optimization in railway transport planning
(2017)This work is dealing with train timetabling problem. In the first chapter, one can find an introduction to network flows which is needed for understanding deeper concepts later on. Namely, basic graph theory definitions are stated as well as core problems like the minimum cost flow and shortest path problem. Furthermore, two equivalent representations of network flows are described, including some useful properties connected to each of ...Master Thesis -
Dynamic Online Trajectory Generation - Acceleration Capabilities Considered for Real-Time Path Planning
(2013)A concept of online trajectory generation for robot motion control systems enabling instantaneous reactions to unforeseen sensor events was introduced in former publications. This thesis extends the existing concept by allowing time-variant kinematic motion constraints being applied online to the algorithms, so that low-level trajectory parameters can now be changed abruptly, and the system can react instantaneously within the same control ...Master Thesis -
Fine-Tuning of Functionalised MCM-41 for Bio-Oil Upgrading
(2016)The synthesis of solid sulphonic acids by modifying mesoporous silica and their catalytic behaviour in esterification of model compounds for biomass conversion is studied. Conventionally synthesised MCM-41 has a mean pore diameter of 1.9 nm. Larger pore sized MCM-41 was synthesised using techniques such as amine based pore expansion and usage of an auxiliary chemical. The maximal sulphur loading on functionalised siliceous MCM-41 with ...Master Thesis -
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Modeling and Implementing High Performance Programs on FPGA
(2016)This work investigates the potential of high performance computing (HPC) on fieldprogrammable gate arrays (FPGAs), highlighting concepts and programming techniques to pursue performance using high level synthesis (HLS) tools. We compute the peak single precision floating point performance on the AlphaData 7V3 board using a model of replicated processing elements, then implement a benchmark to verify the predicted performance in ...Master Thesis -
Electron Identification in Heavy Quark Decays at the H1 Experiment
(2007)ETHZ-IPP PRMaster Thesis -