2 papers
math.GR2023
Quasiprimitive groups with a biregular dihedral subgroup,and arc-transitive bidihedrants
Jiangmin Pan, Fu-Gang Yin, Jin-Xin Zhou
A semiregular permutation group on a set $\Ome$ is called {\em bi-regular} if it has two orbits. A classification is given of quasiprimitive permutation groups with a biregular dih…
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…