combinatorics.in 2026-07-29T01:09:11+00:00 https://combinatorics.in/ Manjil P. Saikia Cataland https://combinatorics.in/courses/cataland/ 2026-07-29T01:09:11+00:00 One sequence — 1, 2, 5, 14, 42 — and the hundreds of objects it counts. Daily lectures and workshops. Combinatorics of Permutations https://combinatorics.in/courses/permutations/ 2026-07-29T01:09:11+00:00 Permutation statistics and q-analogues on one side, pattern avoidance on the other. Combinatorial Representation Theory (2025) https://combinatorics.in/courses/mat730/ 2026-07-29T01:09:11+00:00 Representations of the symmetric group, reached through Specht modules, tableaux and symmetric functions. Advanced q-analysis I https://combinatorics.in/courses/q-analysis/ 2026-07-29T01:09:11+00:00 Integer partitions through the lens of q-series — Euler, Jacobi, Rogers and Ramanujan, then Bailey and Andrews. Algebraic Combinatorics (2025) https://combinatorics.in/courses/mat631/ 2026-07-29T01:09:11+00:00 Tableau combinatorics and symmetric functions, by way of RSK and the hook-length formula.