The author considers the family of integral operators of the form /(x)w(Apx/Xx)=/, X(x , /)/(/)alt;rt, where -ooalt;aalt;fcalt;oo, fSL\a, b), \S A, xEM. ... Fejer kernels [K. Hoffman, Banach spaces of analytic functions, Chapter 2, Prentice- Hall, Englewood Cliffs, N.J., 1962; MR 24 #A2844], .... the spectrum of differential and pseudodifferential operators with periodic coefficients and some problems of the geometry of numbers.

Title | : | Reviews in operator theory, 1980-86 |

Author | : | American Mathematical Society |

Publisher | : | - 1989 |

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