Pointwise approximation of 2 π/r-periodic functions by matrix operators of their Fourier series with r-differences of the entries

Articles in the same Issue

1. Kadison’s antilattice theorem for a synaptic algebra
2. The group of diffeomorphisms of a non-compact manifold is not regular
3. On trigonometric approximation of functions in the L^q norm
4. Ergodic and fixed point theorems for sequences and nonlinear mappings in a Hilbert space
5. On Montessus de Ballore’s theorem for simultaneous Padé-Faber approximants
6. The generalized hypergeometric difference equation
7. On existence of the support of a Borel measure
8. Approximations by multivariate sublinear and Max-product operators under convexity
9. New bounds for Shannon, Relative and Mandelbrot entropies via Hermite interpolating polynomial
10. Global attractivity for Volterra type Hadamard fractional integral equations in Fréchet spaces
11. Approximation of functions and their conjugates in L^p and uniform metric by Euler means
12. Differential equations with random Gamma distributed moments of non-instantaneous impulses and p-moment exponential stability
13. Noncyclic Meir-Keeler contractions and best proximity pair theorems
14. Degree of (L, M)-Fuzzy Semi-Precontinuous and (L, M)-Fuzzy Semi-Preirresolute Functions
15. A Unified Algorithm for Solving Split Generalized Mixed Equilibrium Problem, and for Finding Fixed Point of Nonspreading Mapping in Hilbert Spaces
16. A Short Note on the Common Fixed Points of the Geraghty Contraction of Type E_S,T
17. Approximation solvability for a system of implicit nonlinear variational inclusions with Η-monotone operators
18. Inverse nodal problem for p−Laplacian Bessel equation with polynomially dependent spectral parameter
19. Certain Laplace transforms of convolution type integrals involving product of two special _pF_p functions
20. On the proximal point algorithm and demimetric mappings in CAT(0) spaces
21. Pointwise approximation of 2 π/r-periodic functions by matrix operators of their Fourier series with r-differences of the entries
22. Topical Issue on Ulam Stability
23. Approximation of additive functional equations in NA Lie C*-algebras
24. Orthogonal stability of mixed type additive-cubic functional equations in multi-Banach spaces
25. Hyers-Ulam stability of first-order homogeneous linear dynamic equations on time scales
26. Approximate property of a functional equation with a general involution
27. On the stability of a Cauchy type functional equation
28. Stability and hyperstability of a quadratic functional equation and a characterization of inner product spaces