ON TRIGONOMETRIC POLYNOMIALS WITH ONLY REAL ZEROS

[摘要] Let t be a real trigonometric polynomial of degree n with only real zeros. Among the intervals [alpha, beta] where alpha, beta are consecutive zeros of t those on which t deviates least from zero are of length at most pi/n. (C) 1994 Academic Press, Inc.

[发布日期] 1994-03-01