Recent Results In Designs And Graphs. A Tribute To Lucia Gionfriddo

This volume of “quaderni di matematica” is devoted to the memory of Lucia Gionfriddo, who died at the age of 34 in July 2008. Lucia received her PhD in Mathematics in 2002, defending a thesis entitled “Nesting of G-designs”, at the University of Catania, where she also was a researcher and a teacher. Lucia’s scientifc work dealt mainly with Graph Theory and Design. During her research activities her scientifc and human qualities were very much appreciated by colleagues and co-authors from all over the country. They demonstrate their respect and friendship for her with their commitment to this editorial project.