Some Issues Concerning Approximations of functions by Fourier-Jacobi sums

Salah El ouadih


In this paper, several direct and inverse theorems are proved concerningthe approximation of one-variable functions from the space L(;)2 by partialsums of Fourier-Jacobi series


Partial sums of Fourier-Jacobi series, generalized translation operator, generalized modulus of continuity, estimate of approximation .

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