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- Institute for Quantum Optics and Quantum Information InnsbruckAT973 papers
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7 papers · 2 filters
Isogeometric analysis for multi-patch structured Kirchhoff-Love shells
Andrea Farahat, Hugo M. Verhelst, Josef Kiendl +1
We present an isogeometric method for Kirchhoff-Love shell analysis of shell structures with geometries composed of multiple patches and which possibly possess extraordinary vertic…
Exponential tractability of -approximation with function values
David Krieg, Pawel Siedlecki, Mario Ullrich +1
We study the complexity of high-dimensional approximation in the -norm when different classes of information are available; we compare the power of function evaluations with t…
A sharp upper bound for sampling numbers in
Matthieu Dolbeault, David Krieg, Mario Ullrich
For a class of complex-valued functions on a set , we denote by its sampling numbers, i.e., the minimal worst-case error on , measured in , that can be achi…
Numerical simulation of sound propagation in and around ducts using thin boundary elements
Wolfgang Kreuzer
Investigating the sound field in and around ducts is an important topic in acoustics, e.g. when simulating musical instruments or the human vocal tract. In this paper a method that…
Fast Matching Pursuit with Multi-Gabor Dictionaries
Zdeněk Průša, Nicki Holighaus, Peter Balazs
Finding the best K-sparse approximation of a signal in a redundant dictionary is an NP-hard problem. Suboptimal greedy matching pursuit (MP) algorithms are generally used for this…
An approximate multi-patch space for isogeometric analysis with a comparison to Nitsche's method
Pascal Weinmüller, Thomas Takacs
We present an approximately -smooth multi-patch spline construction which can be used in isogeometric analysis (IGA). A key property of IGA is that it is simple to achieve hig…