On positive values of spherical harmonics and trigonometric polynomials

DOI10.1023/B:MATN.0000023328.29401.16zbMath1074.33012OpenAlexW2082838400MaRDI QIDQ1889629

V. A. Yudin

Publication date: 6 December 2004

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/b:matn.0000023328.29401.16

zbMATH Keywords

Chebyshev polynomialsspherical harmonicstrigonometric polynomialsGegenbauer polynomialszonal harmonicsLegendre polynnomials

Mathematics Subject Classification ID

Spherical harmonics (33C55) Trigonometric polynomials, inequalities, extremal problems (42A05)

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