-
Treewidth reduction for constrained separation and
bipartization problems
Oberwolfach Workshop 1008: Graph Theory, Oberwolfach, Germany,
February 23, 2010.
-
Survey of connections between approximation
algorithms and parameterized complexity
Operations Research Seminar, Technion, Haifa, Israel,
January 18, 2010.
Slides
-
Fixed parameter algorithms
Open lectures for PhD students in computer science, University of Warsaw,
Poland, January 8-9, 2010.
Part 2: Treewidth
Part 3: Complexity
-
Survey of connections between approximation
algorithms and parameterized complexity
Dagstuhl Seminar 09511: Parameterized complexity and approximation
algorithms, Schloss Dagstuhl, Germany, December 14, 2009.
Slides
-
Fixed parameter algorithms
Open lectures for PhD students in computer science, University of Warsaw,
Poland, December 12, 2009.
Part 1: Algorithmic techniques
-
Important separators and spiders
Bertinoro Workshop on Algorithms and Graphs, Italy,
December 8, 2009.
Slides
-
Combinatorial problems related to treewidth and
its generalizations to hypergraphs
Combinatorics Seminar, Tel Aviv University, Israel, November 8, 2009.
-
Beyond fractional hypertree width
Dagstuhl Seminar 09441: The Constraint Satisfaction Problem: Complexity and
Approximability, Schloss Dagstuhl, Germany,
October 26, 2009.
Slides
-
Structural complexity of CSPs: the role of
treewidth and its
generalizations
Dagstuhl Seminar 09441: The Constraint Satisfaction Problem: Complexity and
Approximability, Schloss Dagstuhl, Germany,
October 26, 2009.
Slides
-
FPT algorithmic techniques
AGAPE'09 Spring School on Fixed Parameter and Exact Algorithms, Lozari,
Corsica, France,
May 25-26, 2009.
Slides Slides (printable)
-
Constant ratio fixed-parameter approximation of
the edge multicut problem
6th Japanese-Hungarian Symposiumon Discrete Mathematics and Its
Applications, Budapest, Hungary,
May 16, 2009.
-
Movement problems
Max-Planck-Institut für Informatik, Saarbrücken, Germany,
April 28, 2009.
-
Improving local search using parameterized
complexity
Dagstuhl Seminar 09171: Adaptive, Output Sensitive, Online and
Parameterized Algorithms, Schloss Dagstuhl, Germany,
April 20, 2009.
-
Tractable Structures for Constraint Satisfaction
with Truth Tables
26th International Symposium on Theoretical Aspects of Computer
Science (STACS 2009), Freiburg, Germany,
February 26, 2009.
-
Enumerating homomorphisms
26th International Symposium on Theoretical Aspects of Computer
Science (STACS 2009), Freiburg, Germany,
February 26, 2009.
-
Improving local search using parameterized
complexity
Departament de Llenguatges i Sistemes Informètics, Universitat
Politècnica de Catalunya, Barcelona, Spain,
February 25, 2009.
-
Fractional covers and constraint satisfaction.
Rényi Institute, Budapest, Hungary,
February 19, 2009.
-
Approximating fractional hypertree width.
Symposium on Discrete Algorithms (SODA) 2009, New York, NY,
January 6, 2009.
-
Improving local search using parameterized
complexity
Cork Constraint Computing Center, University College Cork, Ireland,
December 10, 2008.
Slides
-
Movement problems
CS Theory Seminar, Simon Fraser University, Vancouver, Canada BC,
October 17, 2008.
-
On tree width, bramble size, and expansion
Fete of Combinatorics and Computer Science, Keszthely, Hungary
August 13, 2008.
-
On the hardness of losing weight
International Colloquium on
Automata, Languages and Programming (ICALP) 2008, Reykjavik, Iceland,
July 10, 2008.
-
Movement problems
``Logik in der Informatik'' Seminar, Institut für Informatik, Humboldt-Universität zu Berlin, Germany,
June 11, 2008.
-
Movement problems
Friedrich-Schiller-Universität Jena, Germany,
June 9, 2008.
-
On the optimality of planar and geometric
approximation schemes
Foundations of Computer Science (FOCS) 2007, Providence, Rhode Island,
October 22, 2007.
-
Can you beat treewidth?
Foundations of Computer Science (FOCS) 2007, Providence, Rhode Island,
October 21, 2007.
-
On tree width, bramble size, and expansion
Charles University, Prague, Czech Republic,
May 3, 2007.
-
Parameterized complexity of constraint satisfaction problems.
CS Theory Seminar, Simon Fraser University, Vancouver, Canada BC,
April 19, 2007.
-
On tree width, bramble size, and expansion
Graduirtenkolleg: Methods for Discrete Structures, Humboldt-Universität zu Berlin,
Germany,
February 5, 2007.
-
A parameterized view on matroid optimization
problems.
Algorithms and Complexity in Durham (ACiD) 2006, Durham, United Kingdom,
September 19, 2006.
-
Parameterized Complexity of Independence and Domination
on Geometric Graphs.
2nd International Workshop on Parameterized and Exact Computation (IWPEC)
2006, Zürich, Switzerland,
September 14, 2006.
-
A parameterized view on matroid optimization
problems.
International Colloquium on
Automata, Languages and Programming (ICALP) 2006, Venice, Italy,
July 14, 2006.
Slides
-
Chordal deletion is fixed-parameter tractable.
Workshop on Graph-Theoretic Concepts in Computer Science (WG) 2006, Bergen,
Norway,
June 22, 2006.
Slides
-
Closest substring problems with small distances.
Department of Computer Science and Operations Research, Université de
Montréal, Canada,
April 20, 2006.
Slides
-
Constraint Solving via Fractional Edge Covers.
MathsCSP Workshop, St Anne's College, University of Oxford,
March 22, 2006.
Slides
-
Constraint Solving via Fractional Edge Covers.
Symposium on Discrete Algorithms (SODA) 2006, Miami, Florida,
January 22, 2006.
Slides
-
The Closest Substring problem with small distances.
Foundations of Computer Science (FOCS) 2005, Pittsburgh, Pennsylvania,
October 23, 2005.
Slides
-
Efficient approximation schemes for geometric problems?
European Symposium on Algorithms (ESA) 2005,
Palma de Mallorca, Spain, October 4, 2005.
Slides
-
The Closest Substring problem with small distances.
Dagstuhl Seminar 05301: Exact Algorithms and Fixed-Parameter Tractability,
July 25, 2005.
Slides
-
Trees, tree width, hypertree width, fractional
hypertree width.
33. Berliner Algorithmen-Tag, Freie Universität Berlin,
July 15, 2005.
Slides
-
The Closest Substring problem with small distances.
``Logik in der Informatik'' Seminar, Institut für Informatik, Humboldt-Universität zu Berlin,
June 10, 2005.
Slides
-
Parameterized complexity of constraint satisfaction problems.
``Logik in der Informatik'' Seminar, Institut für Informatik, Humboldt-Universität zu Berlin,
December 10, 2004.
Slides
-
Parameterized coloring problems on chordal graphs
International Workshop on Parameterized and Exact Computation (IWPEC) 2004,
Bergen, Norway, September 15, 2004.
Slides
-
Parameterized graph separation problems
International Workshop on Parameterized and Exact Computation (IWPEC) 2004
Bergen, Norway, September 14, 2004.
Slides
-
Minimum sum multicoloring on the edges of planar graphs and partial k-trees.
2nd Workshop on Approximation and Online Algorithms (WAOA) 2004.
Bergen, Norway,
September 14, 2004.
Slides
-
Precoloring extension on chordal graphs.
Graph Theory 2004, Paris, France.
July 6, 2004.
Slides
-
Parameterized complexity of constraint satisfaction problems.
19th Annual IEEE Conference on Computational Complexity 2004.
Amherst, Massachusetts,
June 22, 2004.
Slides
-
Parameterized complexity of constraint satisfaction problems.
Seminar of the Mathematical Logic Group, Mathematical Institute of the University of Freiburg.
June 7, 2004.
Slides
-
How to get n out of the exponent? Introduction to parameterized complexity. [In Hungarian]
Egerváry Research Group Combinatorial Optimization Seminar, Eötvös Loránd University.
May 17, 2004.
-
Parameterized complexity of constraint satisfaction problems.
Seminar of the School of Electrical Engineering and Computer Science, University of Newcastle, Australia,
March 15, 2004.
Slides
-
Graph coloring problems and their applications in scheduling. [In Hungarian]
John von Neumann PhD stundents Conference, Budapest University of Technology
and Economics. Budapest, Hungary, October 2, 2003.
Slides
-
Minimum sum multicoloring on the edges of trees.
1st Workshop on Approximation and Online Algorithms (WAOA) 2003.
Budapest, Hungary, September 17, 2003.
Slides
-
List edge multicoloring in bounded cyclicity
graphs.
3rd Hungarian-Japanese Symposium on Discrete Mathematics and
Its Application. Tokyo, Japan, January 22, 2003.
Slides
-
A generalized family of packing and covering problems.
Como workshop. Vila Olmo, Como, Italy,
September 3, 2002.
-
The complexity of tree multicolorings.
Mathematical foundations of computer science (MFCS) 2002. Warsaw-Otwock,
August 28, 2002.
Slides
-
Graph-theoretic problems in configuring WDM optical networks.
University of Modena & Reggio Emilia, Italy,
June, 2000,