2 papers
math.CO2024
Eigenbasis for a weighted adjacency matrix associated with the projective geometry
Murali K. Srinivasan
In a recent article "Projective geometries, -polynomial structures, and quantum groups" Terwilliger (arXiv:2407.14964) defined a certain weighted adjacency matrix, depending on…
math.CO2024
Subspaces, subsets, and Motzkin paths
Jonathan D. Farley, Murali K. Srinivasan
We define a map from subspaces to Motzkin paths and show that the inverse image of every path is a disjoint union of symmetric Boolean subsets yielding an explicit symmetric Boolea…