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Extremal Trigonometric and Power Polynomials in Several Variables |
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| Authors: | L. A. Sakhnovich |
| Affiliation: | (1) University of Connecticut, USA |
| Abstract: | We study extremal nonnegative polynomials in several variables. Our approach makes substantial use of block Toeplitz matrices. Note that the blocks of these matrices are themselves Toeplitz matrices. |
| Keywords: | trigonometric polynomial supporting hyperplane convex set |
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