2 papers
math.CO2025
Some new Steiner designs
Michael Kiermaier, Vedran KrÄadinac, Vladimir D. Tonchev +2
The Kramer-Mesner method for constructing designs with a prescribed automorphism group has proven effective many times. In the special case of Steiner designs, the task reduces…
math.CO2025
Symmetric 2-(35,17,8) designs with an automorphism of order 2
Sanja Rukavina, Vladimir D. Tonchev
The largest prime p that can be the order of an automorphism of a 2-(35,17,8) design is p=17, and all 2-(35,17,8) designs with an automorphism of order 17 were classified by Tonche…