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the convexity of chebyshev sets in normed spaces
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نویسنده
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mazaheri h. ,salehi mohammad jafar
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منبع
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journal of mahani mathematical research - 2021 - دوره : 10 - شماره : 1 - صفحه:111 -117
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چکیده
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In this paper, we consider “nearest points” and “farthest points” in inner product spaces and hilbert spaces. the convexity of chebyshev sets in hilbert spacse is an open problem. in this paper we define sun sets and sunrise sets in normed spaces.
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کلیدواژه
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chebyshev centers ,uniquely remotal centers ,nearest points ,farthest points ,sun sets
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آدرس
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yazd university, department of mathematics, iran, payame noor university(pnu), department of mathematics, iran
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پست الکترونیکی
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mjsalehi95@gmail.com
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Authors
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