Tolerance graphs model interval relations in such a way that intervals can tolerate a certain degree of overlap without being in conflict. This class of graphs, which generalizes...
The International Olympiad in Informatics is a worldwide contest for high school students, with a strong focus on creativity and ingenuity in algorithm design. Here we describe th...
Collaborative Software Engineering (CSE) supports the fine-grained real-time development of software by teams of developers located anywhere on the Internet. In this paper we des...
Abstract. We model a problem proposed by Alcatel, a satellite building company, using improper colourings of graphs. The relation between improper colourings and maximum average de...
Broadcast domination was introduced by Erwin in 2002, and it is a variant of the standard dominating set problem, such that vertices can be assigned various domination powers. Broa...