In 1591 Mordente returned to Italy and entered the service of Alexander Farnese , Duke of Parma , where he published his last mathematical treatise .
After this controversy , Mordente took service with the Duke of Guise until his death .
In 1591 Mordente returned to Italy and entered the service of Alexander Farnese , Duke of Parma , where Mordente published Mordente 's last mathematical treatise .
After this controversy , Mordente took service with the Duke of Guise until his death .