کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8899781 | 1631549 | 2018 | 18 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The Hyers-Ulam stability constant for Chebyshevian Bernstein operators
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
آنالیز ریاضی
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
On a closed bounded interval, a given Extended Chebyshev space which possesses a Bernstein basis generates infinitely many operators of the Bernstein-type. We show that all these operators share the same Hyers-Ulam stability constant. This constant is the maximum, in absolute value, of the Bézier coefficients of the generalised Chebyshev polynomial associated with the given space. We establish an optimality property of these Bernstein operators with respect to the Hyers-Ulam stability constant. Numerical computations of these constants are investigated in two cases: rational and Müntz Bernstein operators, with special emphasis on their behaviour with respect to the concerned interval and to dimension elevation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Mathematical Analysis and Applications - Volume 463, Issue 2, 15 July 2018, Pages 1075-1091
Journal: Journal of Mathematical Analysis and Applications - Volume 463, Issue 2, 15 July 2018, Pages 1075-1091
نویسندگان
Rachid Ait-Haddou, Daisuke Furihata, Marie-Laurence Mazure,