A University of Genoa professor was among the five Italian tourists who died on a dive in the Maldives Thursday, local sources said.     Monica Montefalcone, an associate professor of Ecology at the University of Genoa, a well-known TV personality, a researcher, and a marine environment expert, was one of the people who disappeared during a dive near Alimathaa, in the Maldives.     The University of Genoa confirmed the news.     The professor was known for her great love of the sea and for