Appendix of Extending Bicoloring for Steiner Triple Systems

M. Gionfriddo, E. Guardo, L. Milazzo

We initiate the study of extended bicolorings of Steiner triple systems (STS) which start with a $k$-bicoloring of an STS($v$) and end up with a $k$-bicoloring of an STS($2v+1$) ob…