BIOGRAPHICAL SKETCH

1986-87 Fellow, Mathematical Sciences Research Institute (MSRI), Berkeley. 1984-86 Visiting Lecturer, University of California, Berkeley. 1982-83 Research Assistantship, Harvard University. c. Publications . W. McCallum, The Shafarevich-Tate group of the Jacobian of a quotient of the Fermat curve, Invent. Math. 93, 37-66 (1988) ................
................