Research talk (): Lattice path enumeration for semi-magic squares of size three

Slides: https://mathdoctorbob.org/20211112-CUNYRT.pdf arXiv link for preprint: https://arxiv.org/search/math?searchtype=author&query=Donley%2C+R+W Research talk (November 12, 2021) for CUNY Representation Theory Seminar. Mostly combinatorics and suitable for advanced undergraduates. Table of contents: 0. Introduction - Historic background 1. Posets, Rectangular Grids, Peck Posets (6:32) 2. Semi-magic Squares of Size 3 (26:39) 3. Rectangles (29:48) 4. Lattice Path Enumeration in M(3) (34:25) 5. Clebsch-Gordan coefficients and Regge symmetries (45:52)

Category