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Found 114 Documents (Results 1–100)

Statistical deferred Riesz summability mean and associated approximation theorems for trigonometric functions. (English) Zbl 1429.40002

Singh, Jagdev (ed.) et al., Mathematical modelling, applied analysis and computation. Selected papers of the first international conference, ICMMAAC 2018, JECRC University, Jaipur, India, July 6–8, 2018. Singapore: Springer. Springer Proc. Math. Stat. 272, 53-67 (2019).
MSC:  40A05 41A36 40G15
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Saturation of \(k\)-convex operators. (English) Zbl 1054.41016

Madaune-Tort, M. (ed.) et al., 7th Zaragoza-Pau conference on applied and statistical mathematics, Jaca (Huesca), September 17–18, 2001. Zaragoza: Univ. de Zaragoza, Seminario Matemático “García de Galdeano” (ISBN 84-96214-04-4/pbk). Monogr. Semin. Mat. “García de Galdeano” 27, 161-168 (2003).
MSC:  41A40 41A36
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On sequences of linear functionals and some operators of the class \(S_{2m}\). (English. Russian original) Zbl 0963.41014

Sib. Math. J. 41, No. 2, 199-203 (2000); translation from Sib. Mat. Zh. 41, No. 2, 247-252 (2000).
MSC:  41A35 41A36 47A58
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Korovkin-type quantitative theorems in normed spaces. (Spanish) Zbl 0970.41016

López Mimbela, J. A. (ed.) et al., 30th national congress of the Mexican Mathematical Society, Aguascalientes, México, September 28-October 2, 1997. Proceedings. México: Sociedad Matemática Mexicana. Aportaciones Mat., Comun. 22, 27-38 (1998).
MSC:  41A36
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Korovkin subsets for the Dirichlet operator associated with a strictly elliptic differential operator. (English) Zbl 0880.35039

Marino, G. (ed.) et al., The proceedings of the workshop on functional analysis: methods and applications, Camigliatello Silano, Italy, May 29–June 2, 1994. Palermo: Circolo Matematico di Palermo, Suppl. Rend. Circ. Mat. Palermo, II. Ser. 40, 159-169 (1996).
MSC:  35J40 47F05
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On certain operator classes which include the class of positive operators. (English. Russian original) Zbl 0879.41008

Russ. Math. 40, No. 8, 1-3 (1996); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1996, No. 8(411), 3-5 (1996).
Reviewer: G.Plonka (Rostock)
MSC:  41A35 41A36 47A58
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Approximation properties of some classes of linear operators. (Аппроксимативные свойства некоторых классов линейных операторов.) (Russian) Zbl 0869.41019

Chita: Chitinskiĭ Gosudarstvennyĭ Pedagogicheskiĭ Institut. 62 p. (1993).
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Korovkin type theorems. (English) Zbl 0830.41017

Choquet, G. (ed.) et al., Séminaire d’initiation à l’analyse. 32ème année: 1992/1993. Paris: Université Pierre et Marie Curie, Publ. Math. Univ. Pierre Marie Curie. 109, Expo. No. 1, 20 p. (1993).
MSC:  41A36
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