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Invarianti Ortogonali e Autovalori Degli Operatori Ellittici

Conferenza tenuta il 18 maggio 1971

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Viene presentata una teoria degli invarianti ortogonali per un operatore compatto e positivo in uno spazio di Hilbert. Se ne traggono applicazioni ai problemi di autovalori per gli operatori ellittici.

Summary

A theory of orthogonal invariants for a compact positive operator in a Hilbert space is presented. Applications to eigenvalue problems for elliptic operators are derived.

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Bibliografia

  1. Fichera G.,Linear elliptic differential systems and eigenvalue problems. Lecture Notes in Mathem. n. 8, Springer Verlag, Berlin, Heidelberg, New York, 1965.

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  2. Fichera G.,Il calcolo degli autovalori. Boll. Unione Matem. Ital. (4), vol. I, pp. 33–95, 1968.

    MathSciNet  Google Scholar 

  3. Fichera G.,Upper bounds for orthogonal invariants of some positive linear operators. Rend. Ist. Matem. Univ. Trieste, vol. I, fsc. I, 1969.

  4. Fichera G.,Further developments in the approximation theory of eigenvalues. Synspade 1970, Academic Press, New York, London, 1971.

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  5. Grothendieck A.,Théorie de Fredholm. Bull. Soc. Math. de France, 84, 1956.

  6. Plancherel M.,Sur la méthode d’ integration de Ritz. Bull. des Sciences Mathem. II, 47, 1923 e II, 48, 1924.

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  7. Robert D.,Invariants orthogonaux pour certaines classes d’operateurs. In corso di stampa.

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Authors and Affiliations

  1. dell’Università di Roma, Italia

    Gaetano Fichera

Authors
  1. Gaetano Fichera
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Pervenuta in tipografia il 9 luglio 1971.

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Fichera, G. Invarianti Ortogonali e Autovalori Degli Operatori Ellittici. Seminario Mat. e. Fis. di Milano 41, 115–125 (1971). https://doi.org/10.1007/BF02924208

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  • DOI: https://doi.org/10.1007/BF02924208

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