a note on the best approximation in spaces of affine functions
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نویسنده
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maysami sadr maysam
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منبع
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mathematical analysis and convex optimization - 2022 - دوره : 3 - شماره : 1 - صفحه:105 -107
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چکیده
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The proximinality of certain subspaces of spaces of bounded affine functions is proved. the results presented here are some linear versions of an old result due to mazur. for the proofs we use some sandwich theorems of fenchel’s duality theory.
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کلیدواژه
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best approximation ,convex set ,affine function ,sandwich theorem
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آدرس
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institute for advanced studies in basic sciences, department of mathematics, iran
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پست الکترونیکی
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sadr@iasbs.ac.ir
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