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"A characterization of best polynomial approximation i=
n spaces
of continuous functions on compact sets (Kolmogorov's theorem)"
By
Abstract: Given Banach
space X, we define best approximation from a finite di=
mentional
subspace X_n of X. We discuss the existen=
ce and
uniqueness of best approximation. We mainly concern with Kolmogorov's
theorem for the best approximation in space C(A) of continuous real or comp=
lex
valued functions on the compact Hausdorff topological space A.
Tea and cookies will be served before=
the
seminar.
Date: Tu<=
span
lang=3DEN-AU style=3D'font-size:14.0pt;font-family:"Arial","sans-serif";mso=
-bidi-font-family:
"Times New Roman";color:#003366'>esday, November 29, 2011
Time: 15.40 – 16:30
Place: Mathematics Seminar R= oom, SA-141