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BIMoS Days

Each BIMoS Day is devoted to introducing a broad scientific audience to a novel methodology with a wide range of applications.

The BIMoS Members may download the presentation slides and recordings from the BIMoS Days here.

Winter term 2018/19

BIMoS Day "The Mathematics of Multiple Antenna Communications"

by Prof. Dr. Guiseppe Caire (FU Berlin)

November 19th, 2018 (16:15 - 18:00)

H 2036, TU Berlin Main Building, Straße des 17. Juni 13, 10623 Berlin

Program

16:15 - 17:00 

Multiple-Input Multiple Output (MIMO) communications obtained by using multiple antennas at transmitters and receivers has become the backbone of modern wireless communication systems, such as WiFi (IEEE 802.11ac), LTE, and the forthcoming 5th Generation. The propagation channel between antenna arrays can be modeled as a matrix of random coefficients. Transmit and receive techniques hinge critically
on the ability of estimating such matrices, and using such knowledge to compute transmit precoders and receivers, able to exploit the inherent interference of the multiple antennas.

17:15 - 17:45 

A surprisingly involved set of mathematical tools have turned out to be very useful for such estimation, precoding, and decoding algorthms. In particular, asymptotic random matrix theory, compressed sensing, and tools from statistical physics, have been widely used to design and analyze efficient and powerful algorithms,  which are now implemented in some form in practical systems. This BIMoS day is dedicated to illuminate the applications of such mathematical tools, in the framework of the recent research conducted at the Communications and Information Theory (CommIT) chair of TU Berlin.

 

BIMoS Day "Geometric Modelling with Discrete Differential Geometry"

by Prof. Dr. Alexander Bobenko (FU Berlin)

January 21, 2018 (16:15 - 18:00)

H 3005, TU Berlin Main Building, Straße des 17. Juni 13, 10623 Berlin

Program

16:15-17:00

Thilo Rörig

"Discrete conformal maps and surface optimization in architecture"  Mathematical tools from discrete differential geometry have become increasingly important in architectural applications over the last 10 years. Variational problems are the key ingredient to attack problems encountered in free-form architecture. We will explain the use of discrete conformal maps in combination with discrete surface optimization to create gridshell structures for given architectural designs and optimized patterns on a periodic facade.

17:15-18:00

Andrew Sageman-Furnas

"Designing with Nets of Inextensible Rods"

Many manufactured materials are built from (nearly) inextensible, but flexible, rods formed into a grid that then behaves as a shell-like structure. Everyday examples range from fabrics made of 1000s of interwoven yarns; to tea strainers made of 100s of plastically deforming wires; to architectural gridshells and tents made of 10s of elastic rods. In this talk, we will emphasize the geometric similarity between these systems, by using a model for woven fabric introduced by Pafnuty Chebyshev in 1878. We will see how computational design and fabrication of these systems can be achieved by harnessing the approach of discrete differential geometry.

 

Previous BIMoS Days:

Summer term 2018

BIMoS Day "The mathematics of quantum information" by Prof. Dr. Jens Eisert

BIMoS Day "Probabilistic methods in telecommunication" by Prof. Dr. Wolfgang König

Winter term 2017/2018

BIMoS Day "Introduction to single-trial EEG analysis" by Prof. Dr. Benjamin Blankertz

BIMoS Day "Modeling fixed-bed reactors with particle-resolved computational fluid dynamics (CFD) " by Prof. Dr. Gregor Wehinger (TU Clausthal)

Summer term 2017

BIMoS Day "Low-dimension geometry and effective dynamics of complex systems" by Prof. Dr. Christof Schütte

BIMoS Day "Shallow Water Flow Simulations" by Prof. Dr.-Ing. Reinhard Hinkelmann

BIMoS Day "Dynamical Downscaling of Global Atmospheric Data" by Prof. Dr. Dieter Scherer

 Winter term 2016/17

"Mixture Models as Tools for Complex Classification Problems" by Prof. Dr. Stefan Weinzierl and Prof. Dr. Axel Werwatz

"From Fluids to Models - and back" by Prof. Dr. Jörn Sesterhenn

"Numerical experiments on turbulence" by Prof. Dr. Wolf-Christian Müller

 Summer term 2016

"Fluid Simulation by Schrödinger's Equation" by Prof. Dr. Ulrich Pinkall

"Probabilistic and Bayesian Data Modeling" by Prof. Dr. Manfred Opper

 Winter term 2015/16

"Multiscale Modeling" by Prof. Dr. Barbara Wagner

"Hierarchical Tensor for High-Dimensional Problems" by Prof. Dr. Reinhold Schneider (TU Berlin) and Prof. Dr. André Uschmajew (U Bonn)

"Combinatorial Optimization and Efficient Algorithms" by Prof. Dr. Martin Skutella

 Summer term 2015

"Model Reduction" by Prof. Dr. Volker Mehrmann

"Machine Learning" by Prof. Dr. Klaus-Robert Müller

"Compressed Sensing" by Prof. Dr. Gitta Kutyniok

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BIMoS Office

Technische Universität Berlin
Berlin International Graduate School for Model and Simulation based Research (BIMoS)
MA 5-5
Straße des 17. Juni 136
10623 Berlin
+49 30 314 73620