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.

Online seminars

Combinatorial Mathematics Society of Australia, Ongoing online seminar (biweekly Wednesdays)

Conferences in 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
Jun 27 - Jul 1, University of Washington, Seattle, WA, < a href="https://sites.google.com/view/ccaaggs-22/home"> Combinatorial, Computational, and Applied Algebraic Geometry (CCAAGS-22) (including celebration of Bernd Sturmfels)
Jun 5-10, Rytro, Poland, 9th Cracow Conference on Graph Theory (originally scheduled for Jun 14-18, 2021)

Conferences in 2021

Postponements and cancellations due to coronavirus indicated as received.

Dec 13-17, The University of Melbourne, Melbourne, Australia, 43rd Australasian Combinatorics Conference (43ACC) (postponed from Dec 13-17, 2020
Nov 19-20, Paderborn University, Paderborn, Germany, 39th Colloquium on Combinatorics (Kolkom 2020) (postponed from Nov 20-21, 2020)
Nov 14, University of North Carolina, Greensboro, NC, 20th Triangle Lectures in Combinatorics" (ON-LINE, hosted on Zoom)
Oct 24-26, National Cheng Kung University, Tainan, Taiwan, 27th International Computing and Combinatorics Conference (COCOON 2021)
Sep 28-30, VIRTUAL Conference, 12th International Conference on the Theory and Application of Diagrams (DIAGRAMS 2021)
Sep 20-24, Apolda, Germany, GPCO 2020 - 8th German-Polish Conference on Optimization (postponed from 2020)
Sep 14-17, Tübingen, Germany, 29th International Symposium on Graph Drawing and Network Visualization (GD2021)
Sep 6-10, Barcelona, Spain, European Conference on Combinatorics, Graph Theory, and Applications (EUROCOMB 2021) (ONLINE)
Aug 31 - Sep 3, Bern, Switzerland, Stream on "Discrete and Combinatorial Optimization" in Joint Conference of German/Austrian/Swiss OR Societies
Aug 16-18, ONLINE (completely virtual), 25th International Workshop on Randomization and Computation (RANDOM 2021) and 4th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems (APPROX 2021)
Aug 10-12, Dalhousie University, Halifax, Nova Scotia, Canada, 33rd Canadian Conference on Computational Geometry (CCCG 2021) (ONLINE or HYBRID)
Jul 20-23, Spokane, WA, 20th SIAM Conference on Discrete Mathematics (DM21)
Jul 19-21, Spokane, WA First SIAM Conference on Applied and Computational Discrete Algorithms (ACDA)
Jul 12-16, International Centre for Mathematical Sciences, Edinburgh, UK, Young Researchers in Combinatorics Workshop (postponed from Jul 19-25, 2020; postponed again to Jul 18-22, 2022)
Jul 12, Workshop on Combinatorial Reconfiguration (FULLY ONLINE, collocated with ICALP 2021)
Jul 5-9, Durham University, Durham, UK, 28th British Combinatorial Conference (BCC 2021) (ONLINE)
Jul 5-7, University of Ottawa, Ottawa, Canada, 32nd International Workshop on Combinatorial Algorithms (IWOCA 2021) (ONLINE EVENT)
Jul 4-8, Spa, Belgium, Graphs and Optimization Meeting (GO XI) (postponed from 2020, postponed again to 2022)
Jun 24-25, via internet, Graduate Research Workshop in Combinatorics (GRWC) (ONLINE)
Jun 20-26, Portoroz, Slovenia, 8th European Congress of Mathematics (postponed from 2020)
Jun 15-16, hosted by University of Strathclyde Combinatorics Group, UK, Permutation Patterns 2021 Virtual Workshop (ONLINE)
Jun 14-18, Lyon, France, Seymour is Seventy (POSTPONED to 2022)
Jun 14-18, Rytro, Poland, 9th Cracow Conference on Graph Theory (POSTPONED to Jun 5-10, 2022)
Jun 14-17, hosted by Alpen-Adria-Universitaet Klagenfurt, Austria, 32nd International Meeting on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms (AofA2021) (ONLINE EVENT)
Jun 14-15, hosted by University of Waterloo, Waterloo, Ontario, Canada, 2nd AlCOVE: an Algebraic Combinatorics Virtual Expedition (VIRTUAL by Zoom and gather.town)
Jun 7-11, Ljubljana, Slovenia, Ljubljana Workshop on Graph Domination 2021 - LWGD'21 (postponed from Jun 8-12, 2020)
Jun 7-11, Buffalo, NY, 37th International Symposium on Computational Geometry (SoCG 2021)
May 25-28, Canada, CanaDAM 2021 - Canadian Algorithm and Discrete Applied Mathematics Conference (100% ONLINE)
May 24-28, St. Petersburg State University and Euler Intenational Mathematical Institute, Russia, School in Algorithms, Combinatorics, and Complexity (ONLINE)
May 19-21, Georgia Institute of Technology, Atlanta, GA, Conference on Integer Programming and Combinatorial Optimization (IPCO XXII)
May 17-21, Sao Paulo, Brazil, XI Latin and American Algorithms, Graphs and Optimization Symposium (LAGOS 2021)
May 17-20, IPM, Tehran, Iran, Fourth IPM Biennial Conference on Combinatorics and Computing (IPMCCC 2021) (ONLINE conference)
May 12-13, Queen Mary University London and London School of Economics, London, UK, 14th QMUL/LSE Colloquia in Combinatorics (ONLINE)
May 10-12, Larnaca, Cyprus, 12th International Conference on Algorithms and Complexity (CIAC 2021)
May 4, University of Illinois, Chicago, IL, Mini-workshop on Graph Container Methods (on Zoom)
Apr 23-25, University of Minnesota, Minneapolis, MN, Graduate Student Combinatorics Conference (GSCC) 2021 (VIRTUAL EVENT)
Apr 17, hosted by Youngstown State University, Youngstown, OH, MIGHTY LXIII (MIdwestern GrapH TheorY Conference LXIII) (VIRTUAL conference)
Apr 7-9, hosted by Saint Petersburg University, Saint Petersburg, Russia 37th European Workshop on Computational Geometry (EuroCG 2021) (ONLINE format)
Apr 6-9, hosted by Max Planck Institute, Leipzig, Germany, (Polytop)ics: Recent advances on polytopes (ONLINE Conference)
Mar 10-12, hosted on Zoom in Budapest, Hungary Workshop on Euclidean Ramsey Theory (in memory of Ronald Graham)
Mar 8-12, hosted by Florida Atlantic University, Boca Raton, FL, 52nd Southeastern International Conference on Combinatorics, Graph Theory, and Computing (HELD VIRTUALLY)
Mar 6, 9:45AM to 3PM Pacific Standard Time, 2021 Coast Combinatorics Conference (33rd CCC) (six talks, meeting on Zoom, mail Gary MacGillivray (gmacgill@uvic.ca) for Zoom link
Feb 28 - Mar 2, University of Information Technology, Yangon, Myanmar, 15th International Conference and Workshops on Algorithms and Computation (WALCOM 2021)
Feb 20-21, Texas A&M University, College Station, TX, Virtual CombinaTexas 2021 (VIRTUAL on ZOOM)
Feb 15 - Mar 5, on Zoom, REACT - Research Encounters in Algebraic and Combinatorial Topics (workshop for graduate students)
Feb 11-13, IIT Ropar, India, 7th Annual International Conference on Algorithms and Discrete Applied Mathematics (CALDAM 2021) (presentations optionally online)
Jan 20-21, School of Mathematics, Institute for Research in Fundamental Sciences (IPM), Isfahan, Iran, Graph Theory and its Applications (VIRTUAL workshop)
Jan 18-23, Valparaíso, Chile, XVI Summer School in Discrete Mathematics (FULLY ONLINE)
Jan 14-15 and 19, Statistical and Applied Mathematical Sciences Institute, SAMSI Combinatorial Probability Virtual Opening Workshop (VIRTUAL)
Jan 10-13, originally in Alexandria, VA, ACM-SIAM Symposium on Discrete Algorithms (SODA21) Held VIRTUALLY
Jan 6-9, Washington, DC, HELD VIRTUALLY, 2021 Joint Mathematics Meetings (JMM)
Jan 5-8, originally at University of São Paulo, São Paulo, Brazil, now ONLINE via Virtual Chair on the Gather platform, 14th Latin American Theoretical Informatics Symposium (LATIN 2020) (postponed from May 2020)

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)
Combinatorial Potlatch (Puget Sound area, maintained by Rob Beezer)
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)