Let Rn be an n-dimensional Euclidean space with n≥ 3. Denote by Ωn the unit sphere in Rn. For a function f∈L(Ωn) we denote by ENδ(f) the equiconvergent operator of Cesaro means of order δ of the Fourier-Laplace ...Let Rn be an n-dimensional Euclidean space with n≥ 3. Denote by Ωn the unit sphere in Rn. For a function f∈L(Ωn) we denote by ENδ(f) the equiconvergent operator of Cesaro means of order δ of the Fourier-Laplace series of f. The special value λ:= (n-2)/2 of δ is known as the critical index. For 0 < δ≤λ, we set p0 := 2λ/(λ+δ). The main aim of this paper is to prove thatwith l > 1.展开更多
文摘Let Rn be an n-dimensional Euclidean space with n≥ 3. Denote by Ωn the unit sphere in Rn. For a function f∈L(Ωn) we denote by ENδ(f) the equiconvergent operator of Cesaro means of order δ of the Fourier-Laplace series of f. The special value λ:= (n-2)/2 of δ is known as the critical index. For 0 < δ≤λ, we set p0 := 2λ/(λ+δ). The main aim of this paper is to prove thatwith l > 1.