Geodesic
Spectral versus classical Nevanlinna-Pick interpolation in dimension two
The electronic journal of linear algebra, Tome 10 (2003), pp. 60-64.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: A genericity condition is removed from a result of Agler and Young which reduces the spectral Nevanlinna-Pick problem in two dimensions to a family of classical Nevanlinna-Pick problems. Unlike the original approach, the argument presented here does not involve state-space methods.
Classification : 47A57, 15A18, 30E05, 47A48
Keywords: interpolation, spectral radius, analytic function, similarity 
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     author = {Bercovici, Hari},
     title = {Spectral versus classical {Nevanlinna-Pick} interpolation in dimension two},
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     url = {http://geodesic.mathdoc.fr/item/ELA_2003__10__a20/}
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Bercovici, Hari. Spectral versus classical Nevanlinna-Pick interpolation in dimension two. The electronic journal of linear algebra, Tome 10 (2003), pp. 60-64. http://geodesic.mathdoc.fr/item/ELA_2003__10__a20/