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January 2019

Xerus – a C++ Tensor Library

2019-01-14 @ 4:15 pm - 5:45 pm
MA 313

Speaker: Michael Götte (TU Berlin) The Xerus library is a general purpose C++11 library for numerical calculations with higher order tensors, Tensor-Train Decompositions / Matrix Product States and general Tensor Networks. Developed in the group of Professor Reinhold Schneider at TU Berlin it is aiming at solving the absence of scalable Tensor libraries. Easy to use Python bindings are present. The still quite new library is currently used in uncertainty quantification, electronic structure calculations (Schroedinger equation), reinforcement learning and machine…

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February 2019

Designing user interfaces

2019-02-11 @ 4:15 pm - 5:45 pm
MA 313

Speaker: Felix Black (TU Berlin) As mathematicians, we often write useful programs that perform a variety of calculations and mathematical algorithms. These programs are generally not meant to be released in a commercial setting, but are used to illustrate research results. However, since the programs are meant to be shared with coworkers and other researchers, our programs should be easy to use and offer an intuitive way to handle user input, but in practice, this is often not the case:…

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April 2019

PhD Lunch – Get-together with your fellow PhD students

2019-04-03 @ 12:00 pm - 1:00 pm
Math Building / Mensa TU Berlin

Starting at April 3, we would like to invite all PhD students across the different research groups at the institute of mathematics to join us for a shared lunch in the Mensa at TU Berlin. We will meet at 12 pm in front of the math building and walk from there to the mensa. After lunch, there is the possibility to join in for some coffee in one of the nearby coffee bars. Even though the PhD lunch is intended…

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FieldTrip: 50Hertz Transmission GmbH

2019-04-11 @ 10:00 am - 2:30 pm
Neuenhagen, Umspannwerk Neuenhagen,

The 50Hertz Transmission GmbH is one of the four transmission system operators for electricity in Germany. Part of the field trip will be an introduction to the company and the applications in simulation, optimization, and stability analysis they are working on. Afterwards we will get a guided tour through their transformer station in Neuenhagen, which is one of the biggest in former eastern Germany and is special in the sense that it operates on all three levels of high voltages…

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May 2019

PhD Lunch – Get-together with your fellow PhD students

2019-05-08 @ 12:00 am - 1:00 pm

After the successful start of our first PhD Lunch, we continue with our joint lunch in the Mensa at TU Berlin. So, if you want to chat and eat in good company, come and meet us at 12 am in front of the math building.

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Hands on TikZ

2019-05-13 @ 4:00 pm - 6:00 pm
MA 464

Speaker: Christoph Zimmer (TU Berlin) Like in the real world also in scientific writing it holds the phrase that a picture is worth a thousand words. Therefore, it is sometimes nice to have illustrations of his results or ideas. For LaTeX a common used TeX macro package for generating vector graphics is PGF. TikZ, being a recursive acronym "TikZ ist kein Zeichenprogramm" (German; TikZ is not a drawing program) aside, is the fairly usable and powerful syntax layer of PGF.…

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June 2019

PhD Lunch – Get-together with your fellow PhD students

2019-06-05 @ 12:00 pm - 1:00 pm
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Publishing Research Software with Zenodo and Conda

2019-06-24 @ 4:00 pm - 6:00 pm

Speaker: Daniel Bankmann (TU Berlin) Abstract: Have you ever been in the situation, that you were not able to run research code, probably already a few years old? Or, did you try to reproduce results of an article with supplementary software and failed because of undocumented updates in the research code? Then the tools we present in this seminar may be interesting for you. We want to revisit tools that can be used for publishing research software in the context…

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July 2019

PhD Lunch – Get-together with your fellow PhD students

2019-07-03 @ 12:00 pm - 1:00 pm
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The dual boot, or how to seamlessly get started with Linux

2019-07-08 @ 4:00 pm - 6:00 pm

Speaker: Riccardo Morandin (TU Berlin) Microsoft Windows is still the operative system (OS) shipped out with most desktop and laptop computers worldwide, and the one that most people enter in contact with first. Still, Linux distributions and open software are becoming more and more popular, especially among developers and scientists. Despite it has several advantages over the OS developed by Microsoft, for example the fact that it is free and open source, and more secure, customizable, performing and programmer-friendly, many…

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