Monica Montefalcone, the Genoa university professor who was among five Italians to die on a cave dive in the Maldives Thursday, was among the best scuba divers on Earth and would never have knowingly put her daughter's life at risk, her husband and the young woman's father told la Repubblica daily Friday.     Genoa ecology professor Montefalcone, her daughter and Genoa bioengineering student Giorgia Sommacal, Genoa Earth science researcher Muriel Oddenino, Genoa biomedical engineering student