2 papers
math.CO2026
On the dimension of the space generated by characteristic vectors of -Steiner systems
Qilong Li, Charlene WeiÃ, Yue Zhou
Fix a prime power and parameters , the corresponding Steiner system in the Grassmann scheme, or the -Steiner system, is a collection of $…
math.CO2026
The linear programming optimum for packings in classical association schemes
Kai-Uwe Schmidt, Charlene WeiÃ
Association schemes are central objects in algebraic combinatorics, with the classical schemes lying at their core. These classical association schemes essentially consist of the H…