Title of article :
Bicolouring Steiner systems S(2,4,v)
Author/Authors :
Mario Gionfriddo، نويسنده , , Lorenzo Milazzo، نويسنده , , Alex Rosa، نويسنده , , Vitaly Voloshin، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
We discuss colourings of elements of Steiner systems S(2,4,v) in which the elements of each block get precisely two colours. We show that there exist systems admitting such colourings with arbitrary large number of colours, as well as systems which are uncolourable.
Keywords :
Steiner system , Bicolouring , Chromatic number
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics
