Approximation of a differentiation operator

ON IMBEDDING, CONTINUATION AND APPROXIMATION THEOREMS FOR DIFFERENTIABLE FUNCTIONS OF SEVERAL VARIABLES

Sergei M Nikol'skii · Russian Mathematical Surveys · 1961 · 249 citations

Natural Sciences, Mathematics, Topology +6

Best approximation of linear operators

Mathematical Notes · 1967 · 178 citations

Natural Sciences, Decision Sciences, Algorithms +12

On the best approximation of differentiation operators

Mathematical Notes · 1967 · 22 citations

Natural Sciences, Mathematics, Derivatives +10

Precise inequalities for norms of functions, third partial, second mixed, or directional derivatives

V. N. Konovalov · Mathematical Notes · 1978 · 22 citations

Natural Sciences, Mathematics, Optimization +10

On the best uniform approximation of differentiation operators

Mathematical Notes · 1969 · 11 citations

Computing, Mathematics, Derivatives +11