On f -best approximation in topological spaces

Tulsi Dass Narang

Archivum Mathematicum (1985)

  • Volume: 021, Issue: 4, page 229-233
  • ISSN: 0044-8753

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Narang, Tulsi Dass. "On $f$-best approximation in topological spaces." Archivum Mathematicum 021.4 (1985): 229-233. <http://eudml.org/doc/18174>.

@article{Narang1985,
author = {Narang, Tulsi Dass},
journal = {Archivum Mathematicum},
keywords = {f-projection; f-proximinal; f-Chebyshev; f-boundedly compact; f-convex set; uniqueness of f-best approximation; Hausdorff topological spaces},
language = {eng},
number = {4},
pages = {229-233},
publisher = {Department of Mathematics, Faculty of Science of Masaryk University, Brno},
title = {On $f$-best approximation in topological spaces},
url = {http://eudml.org/doc/18174},
volume = {021},
year = {1985},
}

TY - JOUR
AU - Narang, Tulsi Dass
TI - On $f$-best approximation in topological spaces
JO - Archivum Mathematicum
PY - 1985
PB - Department of Mathematics, Faculty of Science of Masaryk University, Brno
VL - 021
IS - 4
SP - 229
EP - 233
LA - eng
KW - f-projection; f-proximinal; f-Chebyshev; f-boundedly compact; f-convex set; uniqueness of f-best approximation; Hausdorff topological spaces
UR - http://eudml.org/doc/18174
ER -

References

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  1. G. C. Ahuja, T. D. Narang, On best simultaneous approximation, Nieuw Arch. Wisk., 27 (1979), 255-261. (1979) Zbl0495.41009MR0535575
  2. M. W. Bartelt, H. W. McLaughlin, Characterizations of strong unicity in approximation theory, J. Approximation Theory, 9 (1973), 255-266. (1973) Zbl0273.41019MR0372500
  3. C. Franchetti, M. Puri, Some characteristic properties of real Hilbert spaces, Rev. Roum. Math. Pures et Appl. 17 (1972), 1045-1048. (1972) MR0318846
  4. T. D. Narang, On distance sets, Indian J. Pure and Applied Maths., 7 (1976), 1137-1141. (1976) Zbl0423.54019MR0545969
  5. T. D. Narang, Best Approximation and Strict Convexity of Metric Spaces, Arch. Math. 27 (1981), 87-90. (1981) Zbl0481.41031MR0673250
  6. D. V. Pai, P. Veermani, Applications of fixed point theorems to problems in optimization and best approximation, Nonlinear Analysis and Applications, Marcel Dekker, Inc., New York, Edited by S. P. Singh and J. H. Burry (1982), 393-400. (1982) MR0689575
  7. Ivan Singer, Best approximation in normed linear spaces by elements of linear subspaces, Springer-Verlag, 1970. (1970) MR0270044

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