Dr. Felix Effenberger

Max Planck Institute for Mathematics in the Sciences

Office: C 10

E-mail:
felix.effenberger (at) mis.mpg.de

Phone:
+49 (0) 341 - 9959 - 635

Fax:
+49 (0) 341 - 9959 - 658

Address:
Inselstr. 22
04103 Leipzig
Germany

Personal Homepage of Felix Effenberger

Areas of research

Mathematical neuroscience
Mathematics: combinatorial topology, combinatorics, triangulated manifolds, algebraic topology.
Computing science: visualization.

since 11/2011	Postdoc at Max-Planck-Institute for Mathematics in Sciences, Leipzig. Research in mathematical neurosciences in the group of Prof. Jürgen Jost.
7/2010	PhD thesis defence at the University of Stuttgart, passed with distinction. Thesis: "Hamiltonian submanifolds of regular polytopes", 158 p. Advisor Prof. Wolfgang Kühnel (University of Stuttgart).
2010-2011	Research assistant at the Institute of Geometry and Topology, University of Stuttgart.
2008-2010	Research grant of German Research Foundation (DFG) for the DFG-Project Ku 1203/5-2: Automorphism groups in combinatorial topology. PhD scholarship of the German National Academic Foundation.
2007-2008	Research assistant at the Institute of Geometry and Topology, University of Stuttgart.
2007	Diploma (M.Sc.) with distinction in mathematics and computing science at the University of Stuttgart.
2006	Diploma thesis at Simon Fraser University, Canada: Topology-based Vector Field Visualization on 2-Manifolds (Supervisors: Prof. D. Weiskopf, Prof. Wolfgang Kühnel).
2005-2007	Student research assistant at DFG-Project Ku 1203/5.
2002-2007	Studies of mathematics and computing science at the University of Stuttgart. Specialized in topology and visualization. Scholarship of the German National Academic Foundation.

F. Effenberger, Hamiltonian submanifolds of regular polytopes, Dissertation University of Stuttgart 2010, Stuttgart, 2010. (PDF)
F. Effenberger und J. Spreer, simpcomp - A GAP toolbox for simplicial complexes, extended abstract, 5 pages, arXiv:1004.1367 [math.CO]. To appear in ACM Communications in Computer Algebra.
F. Effenberger, Stacked polytopes and tight triangulations of manifolds, preprint 2010, to appear in J. Combinatorial Theory, Ser. A. Preprint available: arXiv:0911.5037v3 [math.GT]..
F. Effenberger, Hamiltonian subcomplexes of the 24-cell, 3 pages, 2009. Submitted to EG-Models. (PDF)
F. Effenberger and Wolfgang Kühnel, A centrally symmetric 16-vertex triangulation of $(S^2\times S^2)^{\#7}$ as a Hamiltonian subcomplex of the 8-octahedron, preprint, 5 p., 2009. (PDF)
F. Effenberger and Wolfgang Kühnel, Hamiltonian submanifolds of regular polytopes, Discrete Comput. Geom., 43(2):242--262, March 2010. Preprint available: arXiv:0709.3998v2 [math.CO].
Supplemental material: details of the proofs of Propositions 1,2 and 3.
F. Effenberger and Daniel Weiskopf, Finding and Classifying Critical Points of 2D Vector Fields: A Cell-Oriented Approach Using Group Theory, preliminarily accepted at Computing and Visualization in Science. Preprint available: arXiv:1004.4485 [cs.GR]. Supplementary material.
F. Effenberger, Topology-based vector field visualization on 2-manifolds, 142 pages, 2007, diploma thesis.

simpcomp - A GAP toolbox for simplicial complexes -- simpcomp Homepage.
Joint project with Jonathan Spreer.
GAP Mode for jEdit -- adds GAP syntax highlighting to the popular Editor jEdit

"Best Software Presentation Award" (together with Jonathan Spreer) by the Fachgruppe Computeralgebra for a presentation given at ISSAC 2010 in Munich, July 26, 2010. Slides of the talk.
DAAD scholarship for a visit to Cornell University, Ithaca, New York, USA, March 2010.
PhD scholarship of the German National Academic Foundation, 2008-2010.
Scholarship of the German National Academic Foundation, 2003-2007.
Finalist at the 19th Bundeswettbewerb Informatik (a federal computing science contest for high school students), special prize of Dr. Steinfels Sprachreisen GmbH, 2001.