Parallelism in Steiner systems

Authors

Maria Di Giovanni University of Catania, Italy
Mario Gionfriddo University of Catania, Italy https://orcid.org/0000-0002-5360-409X
Antoinette Tripodi University of Messina, Italy https://orcid.org/0000-0003-0767-4457

Steiner system, (partial) parallel class

The authors give a survey about the problem of parallelism in Steiner systems, pointing out some open problems.