U. Abel and M. Ivan, Asymptotic approximation with a sequence of positive linear operators, J. Comput. Anal. Appl. 3 (2001), no. 4, 331–341.
Google Scholar
U. Abel and M. Ivan, Asymptotic expansion of a sequence of divided differences with application to positive linear operators, J. Comput. Anal. Appl. 7 (2005), no. 1, 89–101.
Google Scholar
A.-M. Acu, M. Dancs, M. Heilmann, V. Paşca, and I. Rasa, Voronovskaya type results for special sequences of operators, Rev. R. Acad. Cienc. Exactas Fś. Nat. Ser. A Mat. RACSAM 116 (2022), no. 1, Paper No. 19, 13 pp.
Google Scholar
A.-M. Acu, M. Dancs, M. Heilmann, V. Paşca, and I. Raşa, A Bernstein-Schnabl type operator: applications to difference equations, Appl. Anal. Discrete Math. 16 (2022), no. 2, 495–507.
Google Scholar
A.-M. Acu, M. Heilmann, and I. Rasa, Some results for the inverse of a Bernstein-Schnabl type operator, Anal. Math. Phys. 13 (2023), no. 1, Paper No. 15, 14 pp.
Google Scholar
J. Brzdęk, D. Popa, I. Raşa, and B. Xu, Ulam Stability of Operators, Mathematical Analysis and its Applications, Academic Press, London, 2018.
Google Scholar
M. Campiti, I. Raşa, and C. Tacelli, Steklov operators and their associated semigroups, Acta Sci. Math. (Szeged) 74 (2008), no. 1–2, 171–189.
Google Scholar
M. Campiti, I. Raşa, C. Tacelli, Steklov operators and semigroups in weighted spaces of continuous real functions, Acta Math. Hungar. 120 (2008), no. 1–2, 103–125.
Google Scholar
S. Hodiş, L. Mesaroş, and I. Raşa, Smoothness and shape preserving properties of Bernstein semigroup, Mediterr. J. Math. 15 (2018), no. 3, Paper No. 96, 10 pp.
Google Scholar
M. Ivan and I. Raşa, A sequence of positive linear operators, Rev. Anal. Numér. Théor. Approx. 24 (1995), no. 1–2, 159–164.
Google Scholar
N. Merentes and K. Nikodem, Remarks on strongly convex functions, Aequationes Math. 80 (2010), no. 1–2, 193–199.
Google Scholar
K. Nikodem and T. Rajba, Ohlin and Levin-Stečkin-type results for strongly convex functions, Ann. Math. Sil. 34 (2020), no. 1, 123–132.
Google Scholar
D. Popa and I. Raşa, The Fréchet functional equation with applications to the stability of certain operators, J. Approx. Theory 164 (2012), no. 1, 138–144.
Google Scholar
D. Popa and I. Raşa, Steklov averages as positive linear operators, Filomat 30 (2016), no. 5, 1195–1201. DOI: 10.2298/FIL1605195P
Google Scholar
I. Raşa, Korovkin approximation and parabolic functions, Confer. Sem. Mat. Univ. Bari (1991), no. 236, 25 pp.
Google Scholar
I. Raşa, Probabilistic positive linear operators, Studia Univ. Babeş-Bolyai Math. 40 (1995), no. 1, 33–38.
Google Scholar
P.K. Sahoo and T. Riedel, Mean Value Theorems and Functional Equations, World Scientific Publishing Co., Inc., River Edge, NJ, 1998.
Google Scholar
T. Vladislav and I. Raşa, Analiza Numerica. Aproximare, Problema Lui Cauchy Abstracta, Proiectori Altomare, Editura Tehnica, Bucuresti, 1999.
Google Scholar