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- W2479665654 abstract "We generalize the notion of $${mathfrak{Q}}$$ -classes $${C_{{Q_1} {Q_2}}}$$ , which was introduced in the context of Wiener–Hopf factorization, by considering very general 2 × 2 matrix functions Q 1, Q 2. This allows us to use a mainly algebraic approach to obtain several equivalent representations for each class, to study the intersections of $${mathfrak{Q}}$$ -classes and to explore their close connection with certain non-linear scalar equations. The results are applied to various factorization problems and to the study of Toeplitz operators with symbol in a $${mathfrak{Q}}$$ -class. We conclude with a group theoretic interpretation of some of the main results." @default.
- W2479665654 created "2016-08-23" @default.
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- W2479665654 date "2014-04-09" @default.
- W2479665654 modified "2023-10-11" @default.
- W2479665654 title "Riemann–Hilbert Problems, Toeplitz Operators and $${mathfrak{Q}}$$ Q -Classes" @default.
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- W2479665654 doi "https://doi.org/10.1007/s00020-014-2140-2" @default.
- W2479665654 hasPublicationYear "2014" @default.
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