Journal of Mathematical Sciences

, Volume 209, Issue 1, pp 96–107 | Cite as

Direct and Inverse Theorems on Approximation by Piecewise Polynomial Functions

  • A. S. Kochurov


The paper is concerned with some characteristics of approximation by piecewise polynomial functions with nonfixed knots in various integral metrics L p [a, b], 0 < p≤∞.


Spline Function Hardy Inequality Admissible Function Piecewise Constant Function Hardy Type 
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© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Department of Mechanics and MathematicsMoscow State UniversityMoscowRussia

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