Displaying similar documents to “A remark on the differential equations on the sphere”

Contractive couplings

Vlastimil Pták, Pavla Vrbová (1992)

Czechoslovak Mathematical Journal

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Factorization of Toeplitz and Hankel operators

Vlastimil Pták (1997)

Mathematica Bohemica

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Using a factorization lemma we obtain improvements and simplifications of results on representation of generalized Toeplitz and Hankel operators as compression of symbols.