Emeritus - Full
B.S., University of Pernambuco, 1971
M.S., University of Pernambuco, 1973
Ph.D., University of Rochester, 1977
Analysis and Partial Differential Equations, Differential Geometry, Mathematical Physics
Differential Geometry and Geometric Analysis
Differential geometry, geometric analysis.
- F. Xavier (with L. P.Jorge), A complete minimal surface between two parallel planes, Annals of Mathematics, 112 (1980), 203–-206.
- F. Xavier, The Gauss map of complete minimal surface cannot omit 7 points of the sphere,_ Annals of Mathematics,_ 113 (1981) (erratum on v.115, 211–-214).
- F. Xavier (with H. Donnelly), On the differential form spectrum of negatively curved manifolds, _American Journal of Mathematics,_ 106 (1984), 169–-187.
- F. Xavier (with B. Smyth), Efimov’s theorem in dimension greater than two, Invent. Math. 90 (l987), 443-450.
- F. Xavier (with B. Smyth), Injectivity of local diffeomorphisms from nearly spectral conditions, _Jour. Diff. Eq.,_ vol. 130, No. 2, 406-414 (1996).
- F. Xavier (with J. Cao), Kahler parabolicity and the Euler number of compact manifolds of non-positive curvature, Math. Ann., 319, 483 — 491 (2001).
- F. Xavier (with S. Nollet), Holomorphic Injectivity and the Hopf map, Geometric and Functional Analysis (GAFA) 14, No. 6 (2004) 1339-1351.
- F. Xavier, Using Gauss maps to detect intersections, _L’Enseignement Mathematique,_ 53, 15-31, 2007.
- F. Xavier, Rigidity of the Identity, _Comm. Cont. Math,_ 9, 691-699, 2007.
- F. Xavier (with S. Nollet, L. Taylor ), Birationality of etale maps via surgery, _J. reigne angew._ Math. 627 (2009), 83-95.
Office: 161 Hurley Bldg