2 papers
math.CO2026
2-Geodesic-transitive graphs of order twice a prime power
Jiangmin Pan, Cixuan Wu, Yingnan Zhang +1
In this paper, we study 2-geodesic-transitive graphs of order twice an odd prime power. Classifications of corresponding basic graphs and such graphs with almost simple automorphis…
math.ST2023
Construction of 2fi-optimal row-column designs
Yingnan Zhang, Jiangmin Pan, Lei Shi
Row-column factorial designs that provide unconfounded estimation of all main effects and the maximum number of two-factor interactions (2fi's) are called 2fi-optimal. This issue h…