Jan Foniok
| Office |
École Polytechnique (close to Paris: how to come),
Laboratoire d'Informatique de l'École Polytechnique (LIX)
Room 00.2029
Route de Saclay, 91128 Palaiseau, France
|
| Phone |
+33 1 69 33 40 64 |
| Fax |
+33 1 69 33 41 49 |
| Email |
Composed of my last name and lix.polytechnique.fr |
Research Interests
- structural combinatorics (partial orders, homomorphisms of graphs and structures, Ramsey theory)
- constraint satisfaction, constraint programming
- the linear complementarity problem, unique-sink orientations
CV
February 2011 – present
Ecole Polytechnique, Laboratoire d'Informatique
August 2007 – December 2010
ETH Zurich, Institute for Operations Research, postdoctoral researcher
September 2004 – August 2007
Charles University in Prague, Institute of Theoretical Computer Science (ITI), junior researcher
October 2002 – July 2007
Charles University in Prague, PhD in Computer Science (Discrete Models and Algorithms), supervisor: Jaroslav Nešetřil
October 1997 – September 2002
Charles University in Prague, Master's degree in Mathematics
Publications
Journal papers
- J. Foniok, K. Fukuda, and L. Klaus. Combinatorial characterizations of K-matrices. Linear Algebra Appl., 434, pp. 68–80, 2011.
doi:10.1016/j.laa.2010.08.008 preprint
- J. Foniok, J. Nešetřil, A. Pultr, and C. Tardif. Dualities and dual pairs in Heyting algebras. Order, 27(3), pp. 327–342, 2010.
doi:10.1007/s11083-010-9163-3 preprint
- J. Foniok and C. Tardif. Adjoint functors and tree duality. Discrete Math. Theor. Comput. Sci., 11(2), pp. 97–110, 2009.
paper
- J. Foniok, K. Fukuda, B. Gärtner, and H.-J. Lüthi. Pivoting in linear complementarity: Two polynomial-time cases. Discrete Comput. Geom., 42(2), pp. 187–205, 2009.
doi:10.1007/s00454-009-9182-2 preprint
- J. Foniok, J. Nešetřil, and C. Tardif. Generalised dualities and maximal finite antichains in the homomorphism order of relational structures. European J. Combin., 29(4), pp. 881–899, 2008.
doi:10.1016/j.ejc.2007.11.017 preprint
Refereed conference proceedings
- J. Foniok and J. Nešetřil. Splitting finite antichains in the homomorphism order. In Y. Boudabbous and N. Zaguia, editors, Proceedings of the first International Conference on Relations, Orders and Graphs: Interaction with Computer Science, pages 327–332, 2008.
pdf
- J. Foniok, J. Nešetřil, and C. Tardif. On finite maximal antichains in the homomorphism order. Electron. Notes Discrete Math., 29, pp. 389–396, 2007.
doi:10.1016/j.endm.2007.07.064 preprint
- J. Foniok, J. Nešetřil, and C. Tardif. Generalised dualities and finite maximal antichains. In: F. V. Fomin (ed.), Graph-Theoretic Concepts in Computer Science (Proceedings of WG 2006), vol. 4271 of Lecture Notes in Comput. Sci., pp. 27–36. Springer-Verlag, 2006.
doi:10.1007/11917496_3 preprint
- J. Foniok. Structural aspects of the class of relational structures. In: J. Šafránková (ed.), WDS’03 Proceedings of Contributed Papers, Part I, pp. 238–242. Charles University, Matfyzpress, Prague, 2003.
pdf
Doctoral Thesis
Homomorphisms and Structural Properties of Relational Systems
Preprints
- J. Foniok, J. Nešetřil, and C. Tardif. Interleaved adjoints on directed graphs.
arXiv
- J. Foniok, B. Gärtner, L. Klaus, and M. Sprecher. Counting unique-sink orientations.
arXiv
Notes and Other
Slides for talks
list of publications in pdf format
Diary
- From February 2011: Laboratoire d'Informatique de l'École Polytechnique (LIX), Palaiseau, France.
- July–August 2011: Mathematics of Constraint Satisfaction at the Fields Institute, Toronto, Canada.
- 11–15/7/2011: Workshop on Graph Homomorphisms, Fields Institute, Toronto, Canada.
- 19–22/7/2011: London Mathematical Society Northern Regional Meeting and Workshop on Homogeneous Structures, University of Leeds, UK.
- 2–6/8/2011: Workshop on Algebra and CSPs, Fields Institute, Toronto, Canada.
- From September 2011: Queen's University, Kingston ON, Canada.
Links