2 papers
math.CO2026
Orbit span of a design and some saturation theorems in commutative Schurian association schemes
Qilong Li, Yue Zhou
Orbit-span and dimension problems for designs have been studied in several classical association schemes using a variety of methods. Recently, through a detailed analysis of total…
math.CO2025
On induced subgraphs with degree parity conditions in Paley graphs and Paley tournaments
Qilong Li, Yue Zhou
In this paper, we investigate the number of induced subgraphs and subdigraphs of Paley graphs and Paley tournaments where the (out-)degree of each vertex has the same parity. For P…