【摘要】 讨论了球调和级数的几乎处处收敛问题 .当函数的最佳逼近满足一定条件时 ,给出了球调和级数的部分和算子的收敛速度的估计 .更多还原

【Abstract】 The paper deals with the almost everywhere converge nc e of Fourier-Laplace series for L-2 functions. The convergence rate of the partial sums of the Fourier-Laplace series is also presented under certain conditions on best approximations.更多还原