Please remove me from the list. Thanks. Felix P. Muga II Department of Mathematics e-mail: fpmuga at admu.edu.ph Ateneo de Manila University FAX: (632) 924 4690 Katipunan Road, Loyola Heights PH: (632) 924 4601 ext. 2515,2516 Quezon City, 1108 Philippines mail: P.O. Box 154, Manila 0917