scientific article; zbMATH DE number 6928062

zbMath1413.41036MaRDI QIDQ4583252

Tulsi Dass Narang, Sahil Gupta

Publication date: 28 August 2018

Full work available at URL: http://www.math.sci.nu.ac.th/ojs302/index.php/jnao/article/view/421

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Chebyshev setproximinal setquasi-orthogonalityco-Chebyshev setcoproximinal set

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Uniqueness of best approximation (41A52)

Cites Work

• Best coapproximation in normed linear spaces
• On best coapproximation in normed linear spaces
• Best coapproximation in quotient spaces
• Some results concerning proximinality and co-proximinality
• Quasi-orthogonality of the best approximant sets
• Proximinality and co-proximinality in metric linear spaces
• Smoothness of approximation
• On sum and quotient of quasi-Chebyshev subspaces in Banach spaces
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