Links to Combinatorial Conferences

For posting of upcoming conferences to this list, send email to Douglas B. West at dwest|at|math.uiuc.edu. Other conference lists: Combinatorics and related conferences (maintained by the BCC); Graph Theory and Combinatorics (at the Conference Management System); Janos Pach's Conference List

Other links: Conference Series Archives, Open problems pages.

Conferences in 2023

Jul 2-6, Spa, Belgium, GO XI
Jun 18-24, Kranjska Gora, Slovenia, 10th Slovenian Conference on Graph Theory
Jun 5-8, Winnipeg, Manitoba, Canada, 9th biennial Canadian Discrete and Algorithmic Mathematics Conference (CanaDAM 2023)
Jun 4-16, Nesin Mathematics Village, Sirince, Izmir, Turkey, CIMPA Research School on Graph Structure and Complex Network Analysis

Apr 12-14, Brno, Czech Republic, 23rd European Conference on Evolutionary Computation in Combinatorial Optimisation
Jan 22-25, Florence, Italy, Symposium on Discrete Algorithms (SODA23)

Conferences in 2022

Dec 19-21, Seoul, Korea (and online), 33rd International Symposium on Algorithms and Computation (ISAAC 2022) (HYBRID format)
Dec 12-15, University of Buenos Aires, Argentina, XXI Latin Ibero-American Conference on Operations Research (CLAIO 2022)
Nov 22-25, Clermont-Ferrand, France, Fifth Workshop on Enumeration Problems and Applications (WEPA 2022)
Nov 18-19, Paderborn University, Paderborn, Germany, 39th Colloquium on Combinatorics (Kolkom 2022) (postponed from Nov 20-21, 2020, and Nov 19-20, 2021)
Nov 13-15, United Arab Emirates University, Al Ain, United Arab Emirates, AUA-UAEU Workshop on Graph Theory, Combinatorics and Applications (GTCA 2022)
Nov 8-10, Concepción, Chile, 29th International Symposium on String Processing and Information Retrieval (SPIRE 2022) (HYBRID format)
Nov 7-11, Guanajuato, Mexico, 15th Latin American Theoretical Informatics Symposium (LATIN 2022)
Oct 22-24, Shenzhen, China, 28th International Computing and Combinatorics Conference (COCOON 2022)
Oct 21-23, Illinois State University, Normal, IL, 34th Midwestern Conference on Combinatorics & Combinatorial Computing (MCCCC34) (coinciding with celebration of Saad El-Zanati upon his retirement)
Oct 16-19, Curitiba, Brazil, 10th Latin American Workshop on Cliques in Graphs (LAWCG 2022) (honoring Jayme Szwarcfiter's 80th birthday)
Oct 14-15, North Carolina State University, Raleigh, NC, 30th Annual Fall Workshop on Computational Geometry
Oct 7-8, DIMEA, Masaryk University, Brno, Czech Republic, DIMEA Days 2022
Sep 29-30, University of Bremen, 12th Day(s) on Computational Game Theory
Sep 19-25, Heraklion, Crete, Greece, Symposium GRAPHS, ICNAAM 2022 (20th International Conference of Numerical Analysis and Applied Mathematics) (HYBRID format, contact vojpet@gmail.com)
Sep 19-21, (completely VIRTUAL) 26th International Workshop on Randomization and Computation (RANDOM 2022) and 25th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems (APPROX 2022)
Sep 18-24, Bedlewo, Poland, 9th Polish Combinatorial Conference
Sep 14-16, Rome, Italy, 13th International Conference on the Theory and Application of Diagrams (DIAGRAMS 2022)
Sep 13-16, Tokyo, Japan, 30th International Symposium on Graph Drawing and Network Visualization (GD2022) (hybrid format; preconference PhD school Sep 12-13)
Sep 12-16, Hausdorff Center for Mathematics, Bonn, Germany, Computational Combinatorial Optimization (Hausdorff School)
Sep 12-15, University of Essex, Colchester, UK, 15th International Symposium on Algorithmic Game Theory (SAGT 2022)
Sep 11-15, Maribor, Slovenia, Maribor Graph Theory Conference (MGTC 2022) (honoring the 60th birthday of Sandi Klavžar and an honorary doctorate for Wilfried Imrich)
Sep 10-11, Iowa State University, Ames, IA, 5th Mostly Manitoba, Michigan, and Minnesota Combinatorics Graduate Student Workshop
Sep 9-11, Japan time, 24th Japan Conference on Discrete and Computational Geometry, Graphs, and Games (JCDCG^3 2022) (fully ONLINE)
Sep 8-9, Potsdam, Germany, WAOA22: Workshop on Approximation and Online Algorithms 2022 (co-located with ALGO 2022)
Sep 6-7, hosted by University of Haifa, International Conference on Enumerative Combinatorics and Applications ICECA 2022 (VIRTUAL)
Sep 5-9, Potsdam, Germany, 30th European Symposium on Algorithms (ESA 2022) (co-located with ALGO 2022)
Sep 5-8, University of Szeged, Szeged, Hungary, XV Global Optimization Workshop 2022 (HUGO22) (HYBRID format)
Sep 5-9, Bielefeld University, Bielefeld, Germany, Geometry meets Combinatorics in Bielefeld
Sep 4-9, Nový Smokovec, High Tatras, Slovakia, 30th Workshop "Cycles and Colourings" (dedicated to 70th birthday of Mirko Horňák)
Sep 2, European Timezone, Polytope Diameter and Related Topics (online via Zoom)
Aug 25-27, Toronto Metropolitan University (formerly Ryerson University), Toronto, Canada, 34th Canadian Conference on Computational Geometry (CCCG 2022)
Aug 24-26, Technical University of Vienna, Vienna, Austria, 6th International Workshop on Matching under Preferences (MATCH-UP 2022)
Aug 13-17, near Ohrid, Macedonia, Macedonian Workshop on Graph Theory and Applied Mathematics
Aug 8-26, Gebze Technical University, Istanbul, Turkey, SCALE - Symbolic Computation: Algorithms, Learning, and Engineering
Aug 8-12, Gebze Technical University, Gebze, Turkey, EMS Summer School on Combinatorial Commutative Algebra
Aug 8-12, Sabanci University, Istanbul, Turkey, Summer School on Finite Geometry
Aug 1-5, Gniezno, Poland, 20th International Conference on Random Structures and Algorithms (postponed from 2021)
Jul 25 - Aug 19, Centre de recherches mathématiques (CRM), Montreal, Canada, Graph Theory, Algebraic Combinatorics, and Mathematical Physics
Jul 25-29, Prague, Czech Republic, 8th Czech-Slovak International Symposium on Graph Theory, Combinatorics, Algorithms and Applications (CSGT 2022) (dedicated to the memory of Robin Thomas)
Jul 24 - Aug 4, Denver, CO, Graduate Research Workshop in Combinatorics (GRWC 2022) (in person)
Jul 18-22, Bernoulli Center in Lausanne, EPFL, Switzerland, Summer School "Modern Trends in Combinatorial Optimization"
Jul 18-22, Indian Institute of Science, Bangalore, India, 34th International Conference on Formal Power Series & Algebraic Combinatorics (FPSAC 2022) (Satellite of ICM 2022)
Jul 18-22, International Centre for Mathematical Sciences, Edinburgh, UK, Young Researchers in Combinatorics Workshop (postponed from Jul 19-25, 2020 and Jul 12-16, 2021)
Jul 11-15, Lancaster, UK, 29th British Combinatorial Conference
Jul 11-15, Prague, Czech Republic, Prague Summer School on Discrete Mathematics 2022
Jul 6-8, University of Catania, Catania, Italy, 5th Catania Combinatorial Conference (HyGraDe 2022)
Jul 4-8, AGH University of Science and Technology, Cracow, Poland, Cracow Summer School in Discrete Mathematics
Jul 4-8, Montpellier, France, International Colloquium on Graph Theory and combinatorics (ICGT 2022)
Jul 4-8, TU Wien, Vienna, Austria, Algorithmic and Enumerative Combinatorics (AEC 2022) (POSTPONED from Jun 30 - Jul 4, 2021)
Jul 4-6, Universidad de Cantabria, Santander, Spain, Discrete Mathematics Days 20/22 (postponed from 2020)
Jul 4, Paris, France, Parameterized Approximation Algorithms Workshop (PAAW) (Satellite Workshop of ICALP 2022)
Jul 4, Paris, France, GWP 2022 - Graph Width Parameters: from Structure to Algorithms (Satellite Workshop of ICALP 2022, HYBRID format)
Jul 4, Paris, France, 2nd Workshop on Combinatorial Reconfiguration (affiliated with ICALP 2022, HYBRID format)
Jul 3-6, Aalto University, Espoo, Finland, 32nd EURO Conference on Operational Research (EURO 2022)
Jun 27 - Jul 1, Dortmund, Germany, Summerschool on Algorithms, Dynamics, and Information Flow in Networks
Jun 27 - Jul 1, University of Washington, Seattle, WA, Combinatorial, Computational, and Applied Algebraic Geometry (CCAAGS-22) (including celebration of Bernd Sturmfels' 60th birthday)
Jun 27-29, Sorbonne Université, Paris, France, Polytopes in Paris: Geometry, Combinatorics, and Optimization
Jun 27-29, University of Zagreb, Zagreb, Croatia, Combinatorial Constructions Workshop (ONSITE)
Jun 27-29, Torshavn, Faroe Islands, 18th Scandinavian Symposium and Workshops on Algorithm Theory (SWAT 2022)
Jun 27-29, Prague, Czech Republic, 33rd Annual Symposium on Combinatorial Pattern Matching (CPM 2022)
Jun 27-29, Eindhoven University of Technology, Eidhoven, Netherlands, 23rd Conference on Integer Programming and Combinatorial Optimization (IPCO XXIII)
Jun 26 - Jul 2, Rogla, Slovenia, 10th PhD Summer School in Discrete Mathematics
Jun 22-24, Tübingen, Germany, 48th International Workshop on Graph-Theoretic Concepts in Computer Science (WG2022) (HYBRID)
Jun 20-24, Valparaiso University, Valparaiso, Indiana, Permutation Patterns 2022 (20th International Conference on Permutation Patterns)
Jun 20-24, Kranjska Gora, Slovenia, Combinatorics around the q-Onsager Algebra (celebrating the 65th birthday of Paul Terwilliger, postponed from 2020 and 2021, now CANCELED due to Covid)
Jun 20 or 21 (depending on time zone), online, Online Symposium on Peg Solitaire on Graphs
Jun 13-16, Fields Institute, Toronto, Canada, Stinson66 - New Advances in Designs, Codes and Cryptography (honoring Doug Stinson's 66th birthday)
Jun 13-16, Pittsburgh, PA, SIAM Conference on Discrete Mathematics (DM22)
Jun 9-11, Saint Petersburg, Russia, ECCO XXXV - CO 2022 Joint Conference (Combinatorial Optimization; ONLINE)
Jun 7-10, Murol, France, Summer School on Graph Theory (SGT 2022)
Jun 7-10, Aachen, Germany, International Network Optimization Conference (INOC 2022) (HYBRID format, Postponed FROM Mar 1-4, 2022)
Jun 7-10, Berlin, Germany, 38th International Symposium on Computational Geometry (SoCG 2022)
Jun 7-9, University of Trier, Trier, Germany, 33rd International Workshop on Combinatorial Algorithms (IWOCA 2022) (followed by Graph- and Stringmasters, Jun 10)
Jun 7-9, Tromsø, Norway 14th Nordic Combinatorial Conference (NORCOM 2022)
Jun 6-7, virtual meeting, AlCoVE 2022: 3rd Algebraic Combinatorics Virtual Expedition (via Zoom and gather.town)
Jun 5-11, Beaver Hollow Conference Center, Java Center, NY, Mathematics Research Community "Trees in Many Contexts"
Jun 5-10, Rytro, Poland, 9th Cracow Conference on Graph Theory (originally scheduled for Jun 14-18, 2021)
Jun 1-3, London School of Economics and Political Science, London, UK, 7th Highlights of Algorithms conference (HALG 2022)
Jun 1, Oxford University, Oxford, UK, One-Day Meeting in Combinatorics
May 30 - Jun 3, hosted by University of New South Wales, Sydney, Australia, Student Symposium in Combinatorics 2022 (ONLINE)
May 30 - Jun 3, Lyon, France, 12th IEEE Workshop on Parallel / Distributed Combinatorics and Optimization (PDCO 2022)
May 30 - Jun 3, Fondazione UniverMantova, Mantua, Italy, Combinatorics 2022 (in person)
May 30 - Jun 3, Island of Favignana, Sicily, Italy, 11th (and 10th) International Conference on Fun with Algorithms (FUN 2022 & 2020)
May 30 - Jun 2, Pittsburgh, PA, ACO @ CMU (honoring Gerard Cornueljols)
May 30 - Jun 1, hosted in France, Computational Geometry Days 2022 (JGA - Journées de Géométrie Algorithmique) (VIRTUAL)
May 30 - Jun 1, Institute Mittag-Leffler, Stockholm, Sweden Göran Gustafsson Lectures in Mathematics 2022 (matroids and tropical geometry)
May 30, 15:30 Israel Time (UTC+3), 13th Annual Uri N. Peled Memorial Lecture (ZOOM)
May 26-28, Savitribai Phule Pune University (formerly University of Pune), Pune, India International Conference on Algebra and Discrete Mathematics (ICADM2022)
May 24-27, University of Waterloo, Waterloo, Ontario, Canada, Combinatorial and Algebraic Enumeration (in honour of Ian Goulden and David Jackson)
May 23-26, DIMACS, Rutgers University, Piscataway, NJ, 19th Mixed Integer Programming Conference (MIP 2022) (opening with a conference celebrating the 60th birthday on Daniel Bienstock)
May 18-20, online, International Symposium on Combinatorial Optimization (ISCO 2022)
May 18-19, hosted by Isfahan-Branch of the Institute for Research in Fundamental Sciences (IPM), Iran International Workshop on Extremal Combinatorics (IWEC 2022) (ONLINE)
May 17, online, 2nd Combinatorial Meeting of Prairie and Sky
May 16-20, Porquerolles Island, France, 10th workshop on GRAph Searching, Theory and Applications (GRASTA 2022) (postponed from May 2020)
May 14-15, Western Sectional, Enumerative and Extremal Problems in Chromatic Graph Theory (AMS Special Session, ONLINE format)
May 14-15, University of Illinois, Chicago, IL, 7th Lake Michigan Workshop on Combinatorics and Graph Theory (postponed from April 2020)
May 13-14, University of Waterloo, Waterloo, Ontario, Canada, 26th Ontario Combinatorics Workshop
May 12, Eindhoven University of Technology, Eindhoven, Netherlands, Dutch Day of Combinatorics (DDoC) (hybrid format)
May 11-12, Queen Mary University of London and London School of Economics, London, UK, 15th QMUL/LSE Colloquia in Combinatorics
May 6-13, Indian Institute of Management Ahmedabad, Vastrapur, Ahmedabad. India, Summer School on Large Scale Optimization
May 4-5, hosted by University of Glasgow, Glasgow, Scotland, UK, Scottish Combinatorics Meeting 2022 (ONLINE)
Apr 30 - May 1, North Dakota State University, Fargo, ND, 4th Great Plains Combinatorics Conference (GPCC 2022)
Apr 20-22, "somewhere on Earth", 22nd European Conference on Evolutionary Computation in Combinatorial Optimisation
Apr 12, New York, NY, Discrete & Computational Geometry Day (VIRTUAL on Zoom; in memory of Eli Goodman and Ricky Pollack, founding editors of DCG)
Apr 7-8, Maastricht, Netherlands, Workshop on Current Trends in Graph and Stochastic Games
Apr 4-6, Institute for Basic Science, Seoul, Korea, opening conference for ECOPRO (Extremal Combinatorics and Probability Group) (on Zoom)
Mar 25-27, University of California, San Diego, CA, Graduate Student Combinatorics Conference 2022 (VIRTUAL)
Mar 24-26, University of Jember, Jember, East Java, Indonesia 16th International Conference and Workshops on Algorithms and Computation (WALCOM 2022) (PHYSICAL or HYBRID or VIRTUAL)
Mar 15-17, Brandenburg University of Technology, Cottbus-Senftenberg, Germany, 5th International Conference on Optimization (SIGOPT2022) (CANCELED)
Mar 14-16, Perugia, Italy, 38th European Workshop on Computational Geometry
Mar 12-13, Zoom, Virtual Mini-conference on Graph Theoy & Combinatorics
Mar 7-11, Florida Atlantic University, Boca Raton, FL, 53rd Southeastern International Conference on Combinatorics, Graph Theory, and Computing (SEICCGTC 53) (HYBRID format)
Mar 7-11, University of Rostock, Germany, Coding and Cryptography (WCC 2022) (12th biannual workshop)
Mar 4-5, Texas A&M University, College Station, TX, CombinaTexas 2022 (20th meeting, in person)
Mar 3-4, hosted by KTH (Stockholm) and University of Nottingham, Mini-Symposium on Lattice Polytopes (VIRTUAL event over Zoom)
Feb 10-12, Pondicherry University, Puducherry, India, 8th Annual International Conference on Algorithms and Discrete Applied Mathematics (CALDAM 2022) (hybrid)
Feb 3-4, University of Bremen, 12th Day on Computational Game Theory (POSTPONED)
Jan 17-21, Universidad de Chile, XVII Summer School in Discrete Mathematics (VIRTUAL)

Conference Series Archives

Archive sites for conference series provide a valuable record. Links for several appear below. These also may have expired for conference series that are now defunct. Archives may include such things as lists of talks, participants, and abstracts; even sometimes photos. If anyone knows of archive sites for other conference series in discrete mathematics, please let me know (send information to dwest(at)illinois(dot)edu). There are many other conference series that would benefit from having archive sites; any volunteers?

ACCOTA (Combinatorial and Computational Aspects of Optimization, Topology and Algebra)
ACCMCC (Australasian Conferences in Combinatorial Mathematics and Combinatorial Computing)
BADMath (Bay Area Discrete Mathematics Days)
BCC (British Combinatorial Conferences)
C&C (Workshop on Cycles & Colourings - High Tatras)
CIG (Computational Intelligence and Games
Clemson Mini-Conference on Discrete Mathematics and Algorithms
COCOON (Combinatorics and Computing) (maintained by Michael Ley)
Cascadia Combinatorial Feast (formerly Combinatorial Potlatch; Puget Sound area)
CoNE - Combinatorists of New England (series ended after 45 meetings - archive by Ruth Haas)
CombinaTexas (maintained by Catherine Yan)
DIMACS Reconnect Conferences
DIMACS Special Years, all DIMACS Workshops
Discrete Mathematics in New England (maintained by Karen Collins)
Discrete Mathematics Days in the Northeast (maintained by Karen Collins)
FPSAC (Formal Power Series and Algebraic Combinatorics)
GD (Graph Drawing) (maintained by Roberto Tamassia)
International Conference on Permutation Patterns
IWOCA (International Workshop on Combinatorial Algorithms)
LAGOS (Latin and American Algorithms, Graphs and Optimization Symposium
LATIN (Latin American Theoretical INformatics
LAWCG (Latin American Workshop on Cliques in Graphs)
MCCCC (Midwest Conference on Combinatorics, Cryptography and Computing) (maintained by Ralucca Gera)
MIGHTY (MIdwest GrapH TheorY) (maintained by Jay Bagga)
MOPTA (McMaster Optimization Conference)
MSRI Workshops (Mathematical Sciences Research Institute
NSF-CBMS Regional Research Conferences (Conference Board of the Mathematical Sciences)
Nordic Combinatorial Conference (NORCOM)
Séminaire Lotharingien de Combinatoire (maintained by Christian Krattenthaler)
SIAM Discrete Mathematics, SIAM Discrete Algorithms
WADS (Workshop on Algorithms and Data Structures)
WG (International Workshop on Graph-Theoretic Concepts in Computer Science)