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Operator-valued Fourier multipliers on toroidal Besov spaces
Multiplicadores de Fourier operador-valuados sobre espacios de Besov toroidales
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https://doi.org/10.15446/recolma.v50n1.62205Palabras clave:
Fourier multipliers, operator-valued symbols, UMD- spaces, toroidal Besov spaces (en)Multiplicadores de Fourier, símbolos operador-valuados, espacios UMD, espacios de Besov toroidales. (es)
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We prove in this paper that a sequence M: Zn → L(E) of bounded variation is a Fourier multiplier on the Besov space Bsp, q(Tn, E) for s ∈ R, 1 < p < ∞, 1 ≤ q ≤ ∞ and E a Banach space, if and only if E is a UMD-space. This extends the Theorem 4.2 in [3] to the n-dimensional case. As illustration of the applicability of this results we study the solvability of two abstract Cauchy problems with periodic boundary conditions.
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Derechos de autor 2016 Revista Colombiana de Matemáticas

Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.