Let tn(x) be any real trigonometric polynomial of degreen n such that , Here we are concerned with obtaining the best possible upper estimate ofwhere q>2. In addition, we shall obtain the estimate of in terms of and
文摘Let tn(x) be any real trigonometric polynomial of degreen n such that , Here we are concerned with obtaining the best possible upper estimate ofwhere q>2. In addition, we shall obtain the estimate of in terms of and
