António Ferreira dos Santos
Professor Catedrático

Phone: (351) 218417096
Fax: (351) 218417598
Email: afsantos@math.ist.utl.pt
Office: Edifício de Pós-Graduação, 3th floor
Postal Address:
Departamento de Matemática
Instituto Superior Técnico
Av. Rovisco Pais
1049-001 Lisboa, Portugal

Research Interests

Links:



Recent Publications:
  1. M.A. Bastos, Yu.Karlovich, A.F. dos Santos, The invertibility of convolution type operators on a union of intervals and the corona theorem,  Preprint 37/1999, Wiener-Hopf factorization accepted for publication in ntegral Equations and Operator Theory
  2. M.C.Câmara, A.F. dos Santos, N.Manojlovic, Generalized factorization for NxN Daniele-Krapkov matrix functions, Preprint 2000, accepted for publication in Math. Methods Appl. Sci.
  3. M.C.Câmara, A.F. dos Santos, M.P. Carpentier, Explicit Wiener-Hopf factorization and non-linear Riemann-Hilbert problems, accepted for publication in Proc. Royal Soc. Edinburgh A
  4. P.A.Lopes, A.F. dos Santos, New results on the invertibility of the finite interval convolution operator, Integral Equations and Operator Theory, 38,(2000), 317-333.
  5. M.C.Câmara, A.F. dos Santos, Wiener-Hopf factorization  for a class of oscillating symbols, accepted for publication in Integral Equations and Operator Theory.
  6. M.C.Câmara, A.F. dos Santos, Wiener.Hopf factorization of a generalized Daniele-Khrapkov class of 2x2 matrix symbols, Math. Meth. Appl. Sci., 22, (1999), 461-484.
  7. M.A. Bastos, Yu. I. Karlovich, A.F. dos Santos, The Corona theorem and the existence of canonical factorization of triangular AP - Matrix functions, J. Math. Anal. Appl., 223, (1998), 494-522.
  8. M.A. Bastos, Yu. I. Karlovich, A.F. dos Santos, The Corona theorem and the existence of canonical factorization of triangular AP - Matrix functions, J. Math. Anal. Appl., 223, (1998), 494-522.
  9. M.C. Câmara, A.F. dos Santos, A non-linear approach to generalized factorization of matrix finctions, Operator Theory, Advances and Applications, 102 (1998), 21-37.
  10. P.A. Lopes, A.F. dos Santos, A new approach to the convolution operator on a finite interval, Integral Equations Operator Theory, 26, (1996), 460-475.

 
 

Teaching (in portuguese):  Análise Matemática I, II