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A High-Performance, Parallel Virtual Machine for Python
(2019)Today’s hardware is increasingly parallel, and modern programming languages must thus allow a programmer to use this parallelism effectively. For languages that depend on a virtual machine (vm), it is the responsibility of the vm to execute code efficiently and in parallel. In the case of Python, a popular dynamic language, several vms exist, but none of them can deliver high performance and parallel execution at the same time. The ...Doctoral Thesis -
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The flora of daylighted urban streams and their banks in the city of Zurich
(2022)As a result of habitat loss and increasing habitat fragmentation, biodiversity is under pressure worldwide. To conserve biodiversity in a sustainable manner, measures are needed that combine the human life with nature. One such effort is to employ blue-green infrastructure (BGI) in cities, which are networks of elements such as vegetated basins, green roofs, or urban streams. The city of Zurich is a pioneer in urban stream daylighting, ...Master Thesis -
Robust Robotic Aggregation of Irregularly Shaped Objects
(2021)Robotic technology has entered many new fields and applications in the last years and decades, from automated manufacturing, over warehouse logistics, to inspec- tion of industrial sites. While automation and robotics are pushing more and more from industrial to everyday applications, one sector has fallen behind in adapting to those new technologies, the construction sector. Although there is a labor short- age in construction, it ...Doctoral Thesis -
Study of optical rectification in the tunnel junction of the STM
(2018)The field of photonics holds great potential to solve some critical technological challenges. For example, the transistor industry is struggling to squeeze further their architectures in order to keep up with the needs of the information society. In this context, on-chip optical interconnects could be the key for the next generation of microprocessors. Another example can be found in the solar energy industry. The efficiency of ...Doctoral Thesis -
Extension of a Transistor Model for Irradiated IHP CMOS Transistors for HEC HL-LHC Conditions
(2018)Doctoral Thesis -
Physics-aware deep learning for wind prediction over complex terrain
(2019)Rapidly computing the wind flow over complex terrain features is a challenging problem with many potential fields of application. Such domains include autonomous UAV path planning, naturally ventilated building design or even wind farm layout optimization. Traditionally, this requires performing Computational Fluid Dynamics (CFD) simulations, which are computationally expensive and time consuming. One recent approach has been to use deep ...Master Thesis -
Climate Change Impacts on Snow Avalanche Risk in Alpine Regions
(2023)Various studies demonstrate the impact of climate change on the cryosphere and its associated snow cover. A decrease in mean snow depth, as well as the spatial extent and duration of the snow cover, has been documented worldwide in various regions, and their context of climate change was proven. The influence of climate change on avalanches is a subject of ongoing research, and the detailed impacts are not yet fully known. The formation ...Doctoral Thesis -
From Ferroelectricity to Quantum Paraelectricity — Evolution and Doping from First Principles
(2022)Quantum paraelectric materials like SrTiO3 and KTaO3 exhibit many unusual material properties arising from their quantum fluctuations, including a high dielectric constant and unconventional uperconductivity. In combination with other unusual properties like strong spin orbit coupling and charged ionic layers in KTaO3, this leads to the observation of various intriguing phenomena. The primary goal of this thesis is to investigate these ...Doctoral Thesis -
Transformations Between Imperfect Quantum Reference Frames
(2023)Starting from the point of view of an observer, we provide a new construction for unitary quantum reference frame transformations between observer perspectives, and under physical assumptions derive the existence of an observer-independent, external view. The non-trivial problem of reversibly transforming between physically relevant imperfect reference frames is solved by embedding such frames in perfect ones. Thanks to this embedding, ...Master Thesis