INVESTIGADORES
LEVIS Fabian Eduardo
artículos
Título:
Interpolation and Best Simultaneous Approximation
Autor/es:
H.H. CUENYA; F.E. LEVIS
Revista:
JOURNAL OF APPROXIMATION THEORY
Editorial:
ACADEMIC PRESS INC ELSEVIER SCIENCE
Referencias:
Lugar: Ohio; Año: 2010 vol. 162 p. 1577 - 1587
ISSN:
0021-9045
Resumen:
We consider best simultaneous approximation to k continuous functions on an interval [a,b] from a finite dimensional subspace of C[a, b], with respect to the functionals sum_{j=1}^k psi(int_a^b phi(|f_j|)) and max_{1