Projective planes and set multipartite Ramsey numbers for $C_4$ versus star

Claudia J. F. Gonçalves, Emerson L. Monte Carmelo, Irene N. Nakaoka

Set multipartite Ramsey numbers were introduced in 2004, ge-neralizing the celebrated Ramsey numbers. Let $C_4$ denote the four cycle and let $K_{1,n}$ denote the star on $n+1$ ver…