Research Group of Prof. Dr. M. Griebel
Institute for Numerical Simulation
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Dr. Christian Feuersänger

Address: Institut für Numerische Simulation
Wegelerstr. 6
53115 Bonn
Germany
E-Mail: feuersaenger.ins.uni-bonn.de

Former member of the institute

Now at Recommind (http://www.recommind.de/)

Research Projects

Sparse grid methods for higher dimensional Fokker-Planck-Equations
Cluster of Excellence: Hausdorff Center for Mathematics
Project Area J: High-dimensional problems and multi-scale methods

Completed Research Projects

DFG priority program 1324: Extraktion quantifizierbarer Information aus komplexen Systemen
Lower-Dimensional Principal Manifold Learning in Higher-Dimensional Data Spaces by Sparse Grid Methods
Material parameter compression for flow simulation
Cooperation with Fraunhofer Institute for Algorithms and Scientific Computing SCAI

Teaching

Publications

[1] C. Feuersänger. Sparse Grid Methods for Higher Dimensional Approximation. Dissertation, Institut für Numerische Simulation, Universität Bonn, Sept. 2010.
bib | .pdf (link) | http ]
[2] C. Feuersänger and M. Griebel. Principal manifold learning by sparse grids. Computing, 85(4), 2009. Also available as INS Preprint no 0801.
bib | DOI | http | .pdf 1 | Abstract ]
[3] C. Feuersänger. Dünngitterverfahren für hochdimensionale elliptische partielle Differentialgleichungen. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, 2005. (pdf enthält Korrekturen).
bib | .pdf 1 ]

Talks

Conference contributions

[1] Challenges of Sparse Grid Methods for Higher Dimensional Approximation,
A4A6 - Algorithms for Approximation VI , Ambleside, Lake District, UK, August 31 - September 4, 2009.
[2] An efficient sparse-grid method for the high-dimensional Fokker­Planck-Equation,
ICIAM 07 - International Congress on Industrial and Applied Mathematics, Zürich, Switzerland, July 16-20, 2007.
[3] An Efficient Sparse Grid Method for the high dimensional Fokker-Planck-Equation,
HDA07 - Second Workshop on High-dimensional Approximation, Canberra, Australia, February 19-23, 2007.

Other Talks

[1] Dünngitterverfahren für höherdimensionale Approximation,
Promotionskolloquium, Bonn, September 7, 2010.

Responsibilities

Further (spare-time) Interests

LaTeX package pgfplots:
Development of LaTeX Plotting Package [example]

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LaTeX package pgfplotstable:
Development of LaTeX Package: Loading, rounding and formatting tables in LaTeX [example] [example data]

Component of pgfplots

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Misc

[1] C. Feuersänger. Wichtige LaTeX Befehle - (m)eine Kurzreferenz.
pdf]