- Dec 14-18, Tunghai University, Taichung, Taiwan, Special Sessions in Graph Coloring (7 invited one-hour speakers, 12 invited half-hour speakers) at the Joint Intl Conf of the AMS and the Taiwan Mathematical Society
- Dec 5, Columbia University, New York, NY, 5th Columbia Optimization Day
- Dec 2-4, Auburn University, Auburn AL, Intl Conf on Statistics, Combinatorics, Mathematics, and Applications
- Nov 26, TU Darmstadt, Darmstadt, Germany, A Saturday on Discrete Mathematics in Darmstadt
- Nov 19, Seattle University, Seattle WA, Combinatorial Potlatch 2005
- Nov 18-24, Nankai University, Tianjin, China (Nov 18-20), and Northwestern Polytechnical University, Xi'an, China (Nov 22-24), China-Japan Joint Conference on Discrete Geometry
- Nov 12, Saint Lawrence University, Canton, New York, Graph Theory Day 50 (no web site)
- Nov 10-12, Dobczyce (Krakow), Poland, 14th Workshop "3in1" Graphs 2005 (no web site)
- Oct 31, Budapest, Hungary, 50th Birthday Celebration of the Hungarian Method
- Oct 27-30, University of West Georgia, Carrolton, GA, Integers Conference 2005 (in celebration of the 70th birthday of Ron Graham)
- Oct 26-28, ENST, Paris, France, Fifth ALIO/EURO Conference on Combinatorial Optimization
- Oct 21-23, University of Nebraska, Lincoln, NE, AMS 2005 Fall Central Section Meeting (Meeting #1011), Special sessions in Graph Theory and Special sessions in Combinatorial Matrix Theory
- Oct 21-22, Carnegie-Mellon University, Pittsburgh, PA, Frieze Fest 2005, A Workshop to Celebrate the 60th Birthday of Alan Frieze (on probabilistic combinatorics and randomized algorithms)
- Oct 7-9, Rochester Institute of Technology, Rochester, NY, 19th Midwest Conference on Combinatorics, Cryptography and Computing (MCCCC)
- Oct 7, Royal Flemish Academy of Belgium for Science and the Arts, Brussels, Belgium, Coding Theory and Cryptography (Academy Contact Forum)
- Oct 6-7, Eivissa, Ibiza, Spain, Third Workshop on Approximation and Online Algorithms (WAOA 2005)
- Oct 3-5, Porto, Portugal, 3rd International Workshop on Mining Graphs, Trees, and Sequences (MGTS 2005)
- Sep 23-24, Middle Tennessee State University, Murfreesboro, TN, MIGHTY XLI - 41st MIdwest GrapH TheorY Meeting
- Sep 18-23, Ettore Majorana Foundation and Centre for Scientific Culture, Erice, Sicily, Italy, Second International Workshop on Mathematics and Democracy: Voting Systems and Collective Choice
- Sep 18-23, University of Zielona G'ora, Zielona G'ora, Poland, 11th Workshop on Graph Theory CID (Colorings, Independence, and Domination)
- Sep 18-21, Ballarat, Victoria, Australia, 16th Australasian Workshop on Combinatorial Algorithms (AWOCA 2005)
- Sep 13-23, Centre de Recerca Matematica, Barcelona, Recent Trends of Combinatorics in the Mathematical Context (EMS Marie Curie Advanced Training Course, B. Bollobas and J. Nesetril, lecturers)
- Sep 12-16, Hyeres, Var, France, ICGT'05 - 7th French International Colloquium on Graph Theory
- Sep 12-14, Limerick, Ireland, GD 2005 - 13th International Symposium on Graph Drawing
- Sep 10, Worcester Polytechnic Institute, Worcester, Massachusetts, Discrete Math Days in the Northeast
- Sep 7-9, University of Bremen, Germany, Discrete and Combinatorial Optimization (OR 2005)
- Sep 5-9, Università degli Studi della Basilicata, Potenza, Italy, Summer School on Combinatorial Geometries (courses in Graph Theory and Cryptology/Finite Geometry
- Sep 5-9, Technische Universität, Berlin, Eurocomb05 - European Conference on Combinatorics, Graph Theory, and Applications
- Sep 4-9, Tatranská Strba, High Tatras, Slovakia, 14th Workshop on Cycles and Colourings
- Aug 22-24, University of California, Berkeley, CA, 8th. International Workshop on Approximation Algorithms for Combinatorial Optimization Problems (APPROX'2005) and 9th. International Workshop on Randomization and Computation (RANDOM'2005)
- Aug 20-26, Anogia Conference Center, Anogia, Crete, Algebraic and Geometric Combinatorics (Euroconferences in Mathematics on Crete)
- Aug 18-20, McMaster University, Hamilton, Ontario, Canada, Franco-Canadian Workshop on Combinatorial Algorithms
- Aug 16-19, Kunming, Yunnan, China, COCOON'05 - 11th Annual International Computing and Combinatorics Conference
- Aug 15-17, University of Waterloo, Waterloo, Canada, WADS 2005 - 9th Workshop on Algorithms and Data Structures
- Aug 10-12, University of Windsor, Windsor, Ontario, Canada, 17th Canadian Conference on Computational Geometry
- Aug 1-5, Poznan, Poland, 12th Intl Conf. on Random Structures and Algorithms
- Jul 24-29, Instituto Nacional de Matematica Pura e Aplicada, Rio de Janeiro 25th Coloquio Brasileiro de Matematica, with Special Sessions in Combinatorics
- Jul 17-23, Spelman College, Atlanta, GA, DIMACS Satellite Reconnect Conference on Mathematics of Medical Imaging
- Jul 10-15, University of Durham and Open University, Durham, England, 20th British Combinatorial Conference
- Jul 8-10, University of Durham, Durham, England, ACiD 2005 - First Algorithms and Complexity in Durham Workshop
- Jul 5-9, Huazhong (Central China) Normal University, Wuhan, China, Wuhan International Conference on Graph Structure Theory
- Jul 5-7, University of Greenwich, London, England, 3rd International Symposium on Applications of Graph Theory, AGT05
- Jul 4-8, IT University of Copenhagen, Copenhagen, Denmark, Summer School on Shortest Paths
- Jun 23-25, Metz, France, WG 2005 - 31st International Workshop on Graph-Theoretic Concepts in Computer Science
- Jun 20-25, Keio University, Yokohama, Japan, Japan Workshop on Graph Theory and Combinatorics 2005 (in honor of Hikoe Enomoto's 60th birthday)
- Jun 20-25, Taormina, Sicily, FPSAC'05 - 17th Annual International Conference on Formal Power Series and Algebraic Combinatorics
- Jun 12-18, Montclair State Univ, Upper Montclair, NJ, DIMACS Satellite Reconnect Conference on Mathematics of Elections and Decisions
- Jun 9-12, MSRI, Berkeley, CA, Short course on Geometric Combinatorics
- Jun 8-10, Technische Universität, Berlin, IPCO XI - Integer Programming and Combinatorial Optimization
- Jun 6-8, Area della Ricerca di Pisa, Italy, 21st Annual Symposium on Computational Geometry
- Jun 1-4, Netzeband, Germany, Spring School in Enumerative Combinatorics (for students)
- May 23-27, Université Libre de Bruxelles, One-week course on Polytope Constructions, lecturers Günter M. Ziegler and Michael Joswig (contact pleroy@ulb.ac.be if interested)
- May 21-23, Carnegie-Mellon University, Pittsburgh, PA, WaterMellon Workshop on Extremal Graph Theory (U. Waterloo & Carnegie-Mellon U.)
- May 18-20, University of Cologne, Germany, CTW 2005: Cologne/Twente Workshop on Graphs and Combinatorial Optimization
- May 17-20, University of Colorado at Denver, CO, Graph Theory with Altitude (in honor of Joan P. Hutchinson's 60th Birthday)
- May 16-19, Caesarea Rothschild Institute, University of Haifa, 5th Haifa Workshop on Interdisciplinary Applications of Graph theory, Combinatorics, and Algorithms Honoring Michael O. Rabin
- May 12-14, University of Alabama, Huntsville, AL, Eighteenth Cumberland Conference
- Apr 30-May 1, University of Wisconsin, Madison, WI, Brualdi-fest: Linear Algebra, Graph Theory and Combinatorics
- Apr 27-29, Rio de Janeiro, Brazil, GRACO 2005, 2nd Brazilian Symposium on Graphs, Algorithms and Combinatorics
- Apr 18-22, MSRI, Berkeley, CA, Models of Real-World Random Networks
- Apr 17-19, Northwestern University, Evanston, IL, DIMACS Workshop on Large-Scale Games
- Apr 16-17, University of Minnesota, Minneapolis, 1st Graduate Student Combinatorics Conference
- Apr 16, Saginaw Valley State University, University Center, MI, MIGHTY XL - 40th MIdwest GrapH TheorY Meeting
- Apr 3-10, Thurnau, Germany, ALCOMA05: Algebraic Combinatorics and Applications
- Apr 2-3, University of Delaware, Newark, DE, AMS Special Session on Probabilistic Paradigms in Combinatorics
- Mar 7-11, Florida Atlantic University, Boca Raton, FL, 36th Southeastern International Conference on Combinatorics, Graph Theory, and Computing
- Mar 7-11, University of Florida, Gainesville, FL, Third International Conference on Permutation Patterns
- Mar 7-11, MSRI, Berkeley, CA, Phase Transitions in Computation and Reconstruction
- Mar 7-9, Humboldt University, Berlin, Germany, Learn- & Workshop on Random Graphs and Probabilistic Methods
- Feb 25-26, University of Memphis, Memphis, TN, Paul Erdos Conference
- Jan 31-Feb 4, MSRI, Berkeley, CA, Markov chains in algorithms and statistical physics
- Jan 31-Feb 4, DIMACS Center, Piscataway, NJ, DIMACS Workshops on Bounded Rationality and Information Markets
- Jan 23-25, Vancouver, British Columbia, Canada ACM-SIAM Symposium on Discrete Algorithms (SODA05)
- Jan 5, Atlanta, GA, Special Session in Graph and Design Theory, Joint Mathematics Meetings, 1003rd AMS Meeting