Chairs: Vilmar Trevisan (UFRGS) and Francesco Belardo (UNINA)
1. Signed Graphs – basic concepts (Slides of the talk)
Francesco Belardo, Università degli studi di Napoli Federico II, Italy
2. Signed Graphs – maximum eigenvalue and spectral radius (Slides of the talk)
Maurizio Brunetti, Università degli studi di Napoli Federico II, Italy
3. Strongly regular Signed Graphs (Slides of the talk)
Zoran Stanic, University of Belgrade, Serbia