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A different perspective: Hermite-type exponential sampling series
Computational and Applied Mathematics 2026 Cilt 45
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When we look at the classical rather than the exponential sampling operators, these operators are modelled on the sampling expansion for bandlimited functions given by the Whittaker-Kotel’nikov-Shannon theorem. Some variations of this classical theorem have been proposed in many works. One of them (going back to Jagerman and Fogel and, more generally, to Linden and Abramson) also considers derivative instances for the reconstruction of bandlimited functions and consequently provides the advantage of a larger sampling rate compared to the Whittaker-Kotel’nikov-Shannon theorem. Very recently, a modification of generalized sampling operators similar to this paper has been considered by R. Corso. Taking this paper into account, we modify the exponential sampling operators to include sampling of Mellin derivatives up to a general order to approximate Mellin-bandlimited functions which need not be necessary. We investigate the basic approximation properties and rate of convergence of the series which we call Hermite-type exponential sampling series. Finally, we present numerical results and graphical representations comparing the new operator with the classical one, considering some examples of kernels that support our main results.
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Kaynak: COMPUTATIONAL & APPLIED MATHEMATICS
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Makale Bilgileri

Dergi Computational and Applied Mathematics
ISSN 2238-3603
Yıl 2026 / 1. ay
Cilt / Sayı 45
Makale Türü Özgün Makale
Hakemlik Hakemli
Endeks SCI-Expanded
JCR Quartile Q1
Yayın Dili İngilizce
Kapsam Uluslararası
Toplam Yazar 2 kişi
Erişim Türü Basılı+Elektronik
Alan Fen Bilimleri ve Matematik Temel Alanı Matematik Matematiksel Analiz

YÖKSİS Yazar Kaydı

Yazar Adı KURŞUN SADETTİN,ACAR TUNCER
YÖKSİS ID 9394522

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Scopus Atıf 3
Havuz Atıfları 0
JCR Quartile Q1
Yazar Sayısı 2