Combinatorial Algorithms: 32nd International Workshop, IWOCA 2021, Ottawa, ON, Canada, July 5–7, 2021, Proceedings PDF
Preview Combinatorial Algorithms: 32nd International Workshop, IWOCA 2021, Ottawa, ON, Canada, July 5–7, 2021, Proceedings
Paola Flocchini Lucia Moura (Eds.) S S o C R A 7 5 Combinatorial 7 2 1 S Algorithms C N L 32nd International Workshop, IWOCA 2021 Ottawa, ON, Canada, July 5–7, 2021 Proceedings Lecture Notes in Computer Science 12757 Founding Editors Gerhard Goos, Germany Juris Hartmanis, USA Editorial Board Members Elisa Bertino, USA Gerhard Woeginger , Germany Wen Gao, China Moti Yung, USA Bernhard Steffen , Germany Advanced Research in Computing and Software Science Subline of Lecture Notes in Computer Science Subline Series Editors Giorgio Ausiello, University of Rome ‘La Sapienza’, Italy Vladimiro Sassone, University of Southampton, UK Subline Advisory Board Susanne Albers, TU Munich, Germany Benjamin C. Pierce, University of Pennsylvania, USA Bernhard Steffen , University of Dortmund, Germany Deng Xiaotie, Peking University, Beijing, China Jeannette M. Wing, Microsoft Research, Redmond, WA, USA More information about this subseries at http://www.springer.com/series/7407 Paola Flocchini Lucia Moura (Eds.) (cid:129) Combinatorial Algorithms 32nd International Workshop, IWOCA 2021 – Ottawa, ON, Canada, July 5 7, 2021 Proceedings 123 Editors PaolaFlocchini LuciaMoura University of Ottawa University of Ottawa Ottawa, ON,Canada Ottawa, ON,Canada ISSN 0302-9743 ISSN 1611-3349 (electronic) Lecture Notesin Computer Science ISBN 978-3-030-79986-1 ISBN978-3-030-79987-8 (eBook) https://doi.org/10.1007/978-3-030-79987-8 LNCSSublibrary:SL1–TheoreticalComputerScienceandGeneralIssues ©SpringerNatureSwitzerlandAG2021 Chapter“MinimumEccentricityShortest PathProblemwithRespect toStructural Parameters” is licensed underthetermsoftheCreativeCommonsAttribution4.0InternationalLicense(http://creativecommons.org/ licenses/by/4.0/).Forfurtherdetailsseelicenseinformationinthechapter. Thisworkissubjecttocopyright.AllrightsarereservedbythePublisher,whetherthewholeorpartofthe material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storageandretrieval,electronicadaptation,computersoftware,orbysimilarordissimilarmethodologynow knownorhereafterdeveloped. Theuseofgeneraldescriptivenames,registerednames,trademarks,servicemarks,etc.inthispublication doesnotimply,evenintheabsenceofaspecificstatement,thatsuchnamesareexemptfromtherelevant protectivelawsandregulationsandthereforefreeforgeneraluse. Thepublisher,theauthorsandtheeditorsaresafetoassumethattheadviceandinformationinthisbookare believedtobetrueandaccurateatthedateofpublication.Neitherthepublishernortheauthorsortheeditors give a warranty, expressed or implied, with respect to the material contained herein or for any errors or omissionsthatmayhavebeenmade.Thepublisherremainsneutralwithregardtojurisdictionalclaimsin publishedmapsandinstitutionalaffiliations. ThisSpringerimprintispublishedbytheregisteredcompanySpringerNatureSwitzerlandAG Theregisteredcompanyaddressis:Gewerbestrasse11,6330Cham,Switzerland Preface The 32nd International Workshop on Combinatorial Algorithms (IWOCA 2021) was originally scheduled to take place at the University of Ottawa, Canada. Due to the COVID-19 pandemic, it was decided, a few months before the paper submission deadline, that the conference would move online. The conference took place during July 5–7, 2021, organized and coordinated from Ottawa by the IWOCA 2021 Organizing Committee, with online logistics support by The Fields Institute for Research in Mathematical Sciences. IWOCA is an annual conference series that started in 1989 as AWOCA (Australasian Workshop on Combinatorial Algorithms) and became an international conference in 2007, having been held in Australia, Canada, Czech Republic, Finland, France, Indonesia, India, Italy, Japan, Singapore, South Korea, UK, and USA. The conference brings together researchers on diverse topics related to combinatorial algorithms, such as algorithms and data structures; algorithmic game theory; approx- imationalgorithms;complexitytheory;combinatoricsandgraphtheory;combinatorial generation and enumeration; combinatorial optimization; combinatorics of words and strings;computationalgeometry;computationalbiology;cryptographyandinformation security; graph algorithms; graph drawing and labelling; decompositions and combi- natorial designs; distributed and network algorithms; dynamic and evolving networks; mobile agents; new paradigms of computation; online algorithms; parallel algorithms; parameterized and exact algorithms; probabilistic and randomized algorithms; and streaming algorithms. The Program Committee (PC) of IWOCA 2021 received 107 submissions. Each submission was reviewed by at least three PC members and some trusted external referees,andevaluatedonitsquality,originality,andrelevancetotheconference.The PC selected 38 papers for presentation at the conference and inclusion in the proceedings. Four invited talks were given at IWOCA 2021, by Maria Chudnovsky (Princeton University, USA), Anna Lubiw (University of Waterloo, Canada), David Peleg (Weizmann Institute of Science, Israel), and Alfred Wassermann (University of Bayreuth, Germany). This volume contains the abstracts of the four invited talks and the paper versions of two of those invited talks. The PC selected two contributions for the best paper and the best student paper awards.ThebestpaperawardwasgiventoBenjaminMerlinBumpusandKittyMeeks fortheirpaper “EdgeExplorationofTemporalGraphs”.Thebeststudentpaper award was given to Stefan Lendl, Gerhard J. Woeginger, and Lasse Wulf for their paper “Non-preemptive Tree Packing”. IWOCA 2021 was held more than a year after a global pandemic was declared in March 2020, a period that has been a trying time for everyone around the world. During this period, computer scientists and mathematicians have quickly learned how to teach, research, and collaborate remotely. In the midst of these uncertain times, the vi Preface response to our call for papers was a record number of submissions, for which we are verygrateful.Whilewelongforatimewhenwewillbesharingknowledgeinthesame geographicallocation,wearealsoverythankfultomanyindividualsandorganizations who worked together to build a successful online conference. We would like to thank all the authors who responded to the call for papers, the invitedspeakers,themembersofthePC,theexternalreferees,andthemembersofthe Organizing Committee. We also thank Springer for publishing the proceedings of IWOCA 2021 in their ARCoSS/LNCS series and for their financial support towards the best paper and the best student paper awards. We gratefully acknowledge the financial and logistics support from the following institutions:TheFieldsInstituteforResearchinMathematicalSciences,theFacultyof Engineering at uOttawa, and the University of Ottawa. Finally, we thank the Steering Committee for giving us the opportunity to serve as program chairs of IWOCA 2021 and for their continuous support. July 2021 Paola Flocchini Lucia Moura Organization Steering Committee Maria Chudnovsky Princeton University, USA Charles Colbourn Arizona State University, USA Costas Iliopoulos King’s College London, UK Ralf Klasing CNRS and University of Bordeaux, France Wing-Kin (Ken) Sung National University of Singapore, Singapore Program Committee Hans L. Bodlaender Utrecht University, Netherlands Ljiljana Brankovic University of Newcastle, UK Charles Colbourn Arizona State University, USA Alessio Conte University of Pisa, Italy Celina M. H. de Figueiredo Federal University of Rio de Janeiro, Brazil Giuseppe Antonio Di Luna University of Rome La Sapienza, Italy Vida Dujmović University of Ottawa, Canada Cristina G. Fernandes University of São Paulo, Brazil Henning Fernau University of Trier, Germany Gabriele Fici University of Palermo, Italy Paola Flocchini (Co-chair) University of Ottawa, Canada Florent Foucaud Clermont Auvergne University, France Dalibor Froncek University of Minnesota Duluth, USA Travis Gagie Dalhousie University, Canada Luisa Gargano University of Salerno, Italy Leszek Gąsieniec University of Liverpool, UK Konstantinos Georgiou Ryerson University, Canada Sylvie Hamel University of Montreal, Canada Giuseppe F. Italiano LUISS Guido Carli University, Italy Taisuke Izumi Osaka University, Japan Ralf Klasing CNRS and University of Bordeaux, France Rastislav Královič Comenius University, Slovakia Thierry Lecroq University of Rouen Normandy, France Zsuzsanna Lipták University of Verona, Italy Bernard Mans Macquarie University, Australia George Mertzios Durham University, UK Othon Michail University of Liverpool, UK Matúš Mihalák Maastricht University, Netherlands Lucia Moura (Co-chair) University of Ottawa, Canada Maura Paterson Birkbeck University of London, UK Nicola Prezza Ca’ Foscari University of Venice, Italy viii Organization Tomasz Radzik King’s College London, UK Joe Sawada University of Guelph, Canada Michiel Smid Carleton University, Canada Wing-Kin Sung National University of Singapore, Singapore Jukka Suomela Aalto University, Finland Koichi Wada Hosei University, Japan Organizing Committee Saman Bazargani University of Ottawa, Canada Jean-Lou De Carufel University of Ottawa, Canada Vida Dujmović (Co-chair) University of Ottawa, Canada Paola Flocchini (Co-chair) University of Ottawa, Canada Lucia Moura (Co-chair) University of Ottawa, Canada Kanstantsin Pashkovich University of Waterloo, Canada External Reviewers Abdeddaim, Said Danziger, Peter Akrida, Eleni C. de Castro Mendes Gomes, Guilherme Almethen, Abdullah de Freitas, Rosiane Asahiro, Yuichi de Lima, Paloma Babu, Jasine Dev, Subhadeep Bampas, Evangelos Dey, Sanjana Bazgan, Cristina Dirk, Arnold Boeckenhauer, Hans-Joachim dos Santos, Vinicius F. Bonnet, François Eiben, Eduard Bramas, Quentin Escoffier, Bruno Bulteau, Laurent Fages, François Cameron, Ben Fernández-Baca, David Cao, Yixin Frei, Fabian Casel, Katrin Gajjar, Kshitij Centeno, Carmen Cecilia Ganian, Robert Cenzato, Davide Gavenčiak, Tomáš Chakraborty, Dibyayan Gibney, Daniel Chaudhary, Juhi Giuliani, Sara Chekuri, Chandra Gkikas, Angelos Choudhary, Pratibha Gomez, Renzo Cicalese, Ferdinando Gourdel, Garance Colini Baldeschi, Riccardo Goyal, Pooja Connor, Matthew Groenland, Carla Cordasco, Gennaro Grzesik, Andrzej Cotumaccio, Nicola Guinand, Frédéric Cunha, Luis Gómez Brandón, Adrián Dailly, Antoine Hahn, Gena Organization ix Hamm, Thekla Paixao, Joao Hasunuma, Toru Paschos, Vangelis Hoang, Chinh Pedrosa, Lehilton L. C. Huang, Shenwei Pelantova, Edita Italiano, Davide Picouleau, Christophe Jiménez, Andrea Pouly, Amaury Kamali, Shahin Prabhakaran, Veena Katayama, Yoshiaki Punzi, Giulia Kesselheim, Thomas Rescigno, Adele Kindermann, Philipp Richomme, Gwenaël Klobas, Nina Rizzo, Riccardo Kobayashi, Yusuke Romana, Giuseppe Kolay, Sudeshna Rossi, Massimiliano Komusiewicz, Christian Rote, Günter Labourel, Arnaud Rubei, Elena Lafond, Manuel Rucci, Davide Lee, Edward Saona Urmeneta, Raimundo Lee, Euiwoong Schouery, Rafael Lefebvre, Arnaud Shalom, Mordechai Leupold, Peter Skretas, George Liedloff, Mathieu Sopena, Eric Lintzmayer, Carla Negri Stipulanti, Manon Manabe, Yoshifumi Sudo, Yuichi Manlove, David Takaoka, Asahi Martins, Simone Theofilatos, Michail Menasché, Daniel Sadoc Unger, Walter Mercas, Robert Vaccaro, Ugo Milanič, Martin Venturini, Rossano Miltzow, Till Vialette, Stéphane Mishra, Suchismita Wilczynski, Anaëlle Mizuki, Takaaki Williams, Aaron Molter, Hendrik Wolf, Petra Mondal, Debajyoti Wong, Dennis Moura, Phablo Yanagisawa, Nayuta Mynhardt, Kieka Zhu, Binhai Ono, Hirotaka Zschoche, Philipp Ooshita, Fukuhito
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