This proposal is about a poster dealing with a scanningbased software system, which aims at giving persons with severe motor impairments a means to interact with their immediate e...
There are 50,024 Kirkman triple systems of order 21 admitting an automorphism of order 2. There are 13,280 Kirkman triple systems of order 21 admitting an automorphism of order 3. ...
Myra B. Cohen, Charles J. Colbourn, Lee A. Ives, A...