About Us
African Enumerative Combinatorics Community (AECC) is a collaborative initiative to bring together mathematicians, both students and researchers, across Africa with a shared interest in counting problems, generating functions, and discrete structures.
Mailing List
Sign up for our mailing list to be notified of talks here.
Upcoming Seminars
Seminars take place on the last Thursday of the month, at 14:00 East Africa Time.
- 26 February 2026: Generalized plane trees – Isaac Owino Okoth, Maseno University, Kenya.
Previous Seminars
- 3 July 2025: Enumeration of Weakly Increasing 2-Noncrossing Trees – Yvonne Kariuki, Kibabii University, Kenya. YouTube.
- 31 July 2025: Run-Sorted Permutations Avoiding Certain Patterns: The Case of Length 4 and Permutation Statistical Consequences – Olivia Nabawanda, Mbarara University of Science and Technology, Uganda. YouTube
- 28 August 2025: Families of Type B Set Partitions Counted by the Dowling Numbers – Fufa Beyene, Kotebe University of Education, Ethiopia. YouTube
- 25 September 2025: Graphs of Reduced Words and Some Connections – Praise Adeyemo, University of Ibadan, Nigeria. YouTube
- 30 October 2025: The Asymptotic Analysis of Norms in Integer Partitions – Dennis Kinoti Gikunda, Stellenbosch University, South Africa. YouTube
- 27 November 2025: Conjugation of Coloured Compositions – Augustine Munagi, University of the Witwatersrand, South Africa. YouTube
- 29 January 2026: The water capacity of Dyck paths – Arnold Knopfmacher, University of the Witwatersrand, South Africa. YouTube
Collaborative Events
We plan to host online problem-solving sessions and collaborative events, more details to follow.
Resources
Here are some useful links for people interested in Enumerative Combinatorics.
Related organisations and conferences:
- African Women in Mathematics Asssociation (AWMA)
- African Institute for Mathematical Sciences (AIMS)
- International Mathematical Union (IMU)
- International Conferences on Formal Power Series and Algebraic Combinatorics (FPSAC)
- International Conference on Enumerative Combinatorics and Applications - Virtual
- International Conference on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms (AofA)
- Women in Sage Tunisia
Related resources:
- The AofA Conference series has a good list of resources here
- Notes on Counting: An Introduction to Enumerative Combinatorics (Peter J. Cameron)
- Combinatorics Lecture Notes and Exercises (courtesy of Stephan Wagner)
- Enumerative Combinatorics Volume 1 (Richard P. Stanley).
- Enumerative Combinatorics Volume 2 (Richard P. Stanley)
- Introduction to Enumerative Combinatorics (Miklos Bona)
Committee
Contact
Email: african.enum.comb@gmail.com