The International Symposium on Parameterized and Exact Computation (IPEC, formerly IWPEC) is a strongly peer-reviewed annual conference that covers research in all aspects of parameterized and exact algorithms and complexity.
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History
The first International Workshop on Exact and Parameterized Computation (IWPEC) took place in Bergen in 2004. Since 2008, IWPEC has been held annually. In 2010, IWPEC changed its name to International Symposium on Parameterized and Exact Computation (IPEC). Since 2011, IPEC has often been co-located with the European Symposium on Algorithms (ESA) and other conference and workshops in the ALGO confederated conference, held in Europe in early September. The research contributions accepted for presentation at the conference appear in printed proceedings; the 2004–2014 conferences were published with Springer in the Lecture Notes in Computer Science series. Since 2015, the IPEC proceedings are published in the Leibniz International Proceedings in Informatics.
Steering Committee
Organization of the steering committee
Membership:
• for three years, rotates in September after IPEC
• the two PC chairs of IPEC x+1 join SC after IPEC x
• one additional member is elected by SC each year
• thus SC consists of nine members
How to join:
•Express interest in being an IPEC PC chair or SC member
• ultimately the SC decides by nomination plus vote
• soft tradition of being PC chair only once, so afterwards can only join the SC through vote
Upcoming events
IPEC 2025 will be arranged as part of ALGO 2025 in Warsaw, Poland, September 15-19 2025.
Previous events
- 19th IPEC (2024)
- Arranged at ALGO 2024, Egham/London, UK, September 4-6, 2024. website
- 18th IPEC (2023)
- Arranged at ALGO 2023, Amsterdam, the Netherlands, September 6-8, 2023. website
- 17th IPEC (2022)
- Arranged at ALGO 2022, Potsdam, Germany, September 5-9. 2022. website
- 16th IPEC (2021)
- virtual event, together with ALGO, September 8-10, 2021, website Publicity Report
- 15th IPEC (2020)
- virtual event, Hong Kong, together with ISAAC 2020, December 14–18, 2020, IPEC 2020 website Business Meeting
- 14th IPEC (2019)
- Arranged at ALGO 2019, Munich, Germany, September 11–13, 2019. call for papers. IPEC 2019 website Business Meeting and Publicity Report
- 13th IPEC (2018)
- Helsinki, Finland, August 20–24, 2018. IPEC 2018 website Business Meeting Report PC Report
- 12th IPEC (2017)
- Vienna, Austria, September 4–8, 2017. IPEC 2017 website Business Meeting Report. PC Report. Publicity Report.
- 11th IPEC (2016)
- Aarhus, Denmark, August 24–26, 2016. IPEC 2016 website
- 10th IPEC (2015)
- Patras, Greece, September 16-18, 2015. proceedings contents IPEC 2015 website
- 9th IPEC (2014)
- Wroclaw, Poland, September 10-12, 2014. proceedings contents IPEC 2014 website
- 8th IPEC (2013)
- Sophia Antipolis, France, September 4-6, 2013. proceedings contents IPEC 2013 website
- 7th IPEC (2012)
- Ljubljana, Slovenia, September 12-14, 2012. proceedings contents IPEC 2012 website
- 6th IPEC (2011)
- Saarbrücken, Germany, September 6-8, 2011. proceedings contents IPEC 2011 website
- 5th IPEC (2010)
- Chennai, India, December 13-15, 2010. proceedings contents IPEC 2010 website
- 4th IWPEC (2009)
- Copenhagen, Denmark, September 10-11, 2009. proceedings contents IWPEC 2009 website
- 3rd IWPEC (2008)
- Victoria, Canada, May 14-16, 2008. proceedings contents IWPEC 2008 website (no longer available)
- 2nd IWPEC (2006)
- Zürich, Switzerland, September 13-15, 2006. proceedings contents IWPEC 2006 website
- 1st IWPEC (2004)
- Bergen, Norway, September 14-17, 2004. proceedings contents IWPEC 2004 website
Awards
- Best paper award 2024
- Katrin Casel, Tobias Friedrich, Aikaterini Niklanovits, Kirill Simonov and Ziena Zeif, "Combining Crown Structures for Vulnerability Measures."
- Best paper award 2023
- Hans L. Bodlaender, Isja Mannens, Jelle Oostveen, Sukanya Pandey and Erik Jan van Leeuwen, "The Parameterised Complexity of Integer Multicommodity Flow."
- Best student paper 2023
- Stefan Kratsch and Pascal Kunz, "Approximate Turing kernelization and lower bounds for domination problems.”
- Best paper award 2022
- Hans L. Bodlaender, Carla Groenland, Hugo Jacob, Lars Jaffke and Paloma de Lima, "XNLP-completeness for Parameterized Problems on Graphs with a Linear Structure.”
- Best student paper 2022
- Jelle Oostveen and Erik Jan van Leeuwen, "Parameterized Complexity of Streaming Diameter and Connectivity Problems."
- Best paper award 2021
- Guillaume Ducoffe, "Maximum Matching in Almost Linear Time on the Graphs of Bounded Clique-width" and Shaohua Li and Marcin Pilipczuk, "Hardness of Metric Dimension in Graphs of Constant Treewidth."
- Best student paper 2021
- Vít Jelínek, Michal Opler and Jakub Pekárek, "Long Paths Make Pattern-counting Hard, and Deep Trees Make it Harder."
- Best paper award and Best student paper award 2020
- Łukasz Bożyk, Jan Derbisz, Tomasz Krawczyk, Jana Novotná and Karolina Okrasa, "Vertex Deletion into Bipartite Permutation Graphs", and Tuukka Korhonen "Finding Optimal Triangulations Parameterized by Edge Clique Cover."
- Best student paper 2019
- Gregory Rosenthal, "Beating Treewidth for Average-Case Subgraph Isomorphism."
- Best paper award 2019
- Giordano Da Lozzo, David Eppstein, Michael Goodrich and Siddharth Gupta, "C-Planarity Testing of Embedded Clustered Graphs with Bounded Dual Carving-Width."
- Best paper and best student paper award 2018
- Marc Roth and Johannes Schmitt, "Counting Induced Subgraphs: A Topological Approach to #W[1]-hardness."
- Excellent student paper 2017
- Bart M. P. Jansen, Astrid Pieterse, "Optimal Data Reduction for Graph Coloring Using Low-Degree Polynomials."
- Best paper award 2017
- Radu Curticapean, Holger Dell, Fedor V. Fomin, Leslie Ann Goldberg, John Lapinskas, "A Fixed-Parameter Perspective on #BIS."
- Best paper award 2016
- Kitty Meeks, “Randomised enumeration of small witnesses using a decision oracle,” Archontia Giannopoulou, Michał Pilipczuk Jean-Florent Raymond, Dimitrios Thilikos and Marcin Wrochna, “Cutwidth: obstructions and algorithmic aspects,” and Cornelius Brand, Holger Dell and Marc Roth, “Fine-grained dichotomies for the Tutte plane and Boolean #CSP.”
- Excellent student papers 2016
- Michal Wlodarczyk, “Clifford algebras meet tree decompositions,” R. Krithika, Abhishek Sahu and Prafullkumar Tale, “Dynamic Parameterized Problems.”
- Excellent student papers 2015
- Stefan Kratsch and Manuel Sorge, “On Kernelization and Approximation for the Vector Connectivity Problem.”
- Excellent student papers 2013
- Bart M.P. Jansen “On Sparsification for Treewidth Computations,” Lukas Mach and Tomas Toufar “Amalgam Width of Matroids,” and Mateus de Oliveira Oliveira “Subgraphs Satisfying MSO Properties on z-Topologically Orderable Digraphs.”
- Excellent student paper 2012
- Ivan Bliznets and Alexander Golovnev, “A New Algorithm for Parameterized MAX-SAT.”
- Excellent student paper 2011
- Yoichi Iwata, “A Faster Algorithm for Dominating Set Analyzed by the Potential Method.”
- Excellent student papers 2010
- Jesper Nederlof and Johan M. M. van Rooij, “Inclusion/Exclusion Branching for Partial Dominating Set Set Splitting,” and M. Praveen, “Small Vertex Cover Makes Petri Net Coverability and Boundedness Easier."
Steering Committee
Current Members
The IPEC Steering Committee after IPEC 2018 has the following members:
- Łukasz Kowalik (2022 - 2025)
- Neeldhara Misra (2022 - 2025)
- Magnus Wahlström (2022 - 2025, chair 2024-2025)
- Édouard Bonnet (2023-2026)
- Paweł Rzążewski (2023-2026)
- Hans Bodlaender (2023-2026)
- Akanksha Agrawal (2024-2027)
- Erik Jan van Leeuwen (2024-2027)
- Dimitrios Thilikos (2024-2027)
Publicity Chair
- Frances Rosamond
Former Members
- Hans Bodlaender 2012-2015 (chair 2015)
- Jianer Chen 2009-2012
- Marek Cygan 2013–2016
- Yixin Cao 2019-2022
- Frank Dehne
- Holger Dell 2021-2024 (chair 2022-2024)
- Rod Downey
- Mike Fellows 2009-2012
- Henning Fernau (2015–2019) (chair 2018)
- Fedor Fomin, 2009-2012 and 2021-2024 (chair 2012)
- Petr Golovach 2020-2023
- Martin Grohe
- Jiong Guo (2015–2018)
- Gregory Gutin 2011-2014
- Pinar Heggernes 2013–2016 (chair 2015–2016)
- Danny Hermelin (2015–2018)
- Thore Husfeldt (2012–2017)
- Bart M. P. Jansen 2018-2021
- Iyad Kanj (2014–2017)
- Eun Jung Kim 2019-2022
- Stefan Kratsch (2015–2018, chair 2016-2018).
- Michael Langston
- Daniel Lokshtanov (2016–2019)
- Daniel Marx 2010-2013 and 2020-2023
- Jesper Nederlof (2021 - 2024)
- Rolf Niedermeier 2012–2015
- Naomi Nishimura (2016–2019)
- Christophe Paul (2017 - 2020)
- Marcin Pilipczuk 2019-2022. chair 2021-2022
- Michał Pilipczuk (2017 - 2020)
- Venkatesh Raman
- Peter Rossmanith 2010-2013
- Saket Saurabh 2009-2012 and 2018-2021, chair 2020-2021
- Stefan Szeider 2011–2014
- Jan Arne Telle 2018-2021
- Dimitrios Thilikos 2011–2014
- Magnus Wahlström (2017 - 2020, chair 2019-2020)
- Gerhard Woeginger (2011–2017)
- Meirav Zehavi 2020-2023
Links
IPEC proceedings in the DBLP database