Acu, Ana-Maria; Dancs, Madalina; Heilmann, Margareta; Paşca, Vlad; Rasa, Ioan Voronovskaya type results for special sequences of operators. (English) Zbl 1483.41005 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 19, 13 p. (2022). Reviewer: Vijay Gupta (New Delhi) MSC: 41A25 41A36 PDF BibTeX XML Cite \textit{A.-M. Acu} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 19, 13 p. (2022; Zbl 1483.41005) Full Text: DOI OpenURL
Yang, Lili; Cao, Xiaohong Property \((\omega)\) and its compact perturbations. (English) Zbl 07309507 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 60, 11 p. (2021). MSC: 47A55 PDF BibTeX XML Cite \textit{L. Yang} and \textit{X. Cao}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 60, 11 p. (2021; Zbl 07309507) Full Text: DOI OpenURL
Turkun, Can; Duman, Oktay Modified neural network operators and their convergence properties with summability methods. (English) Zbl 1440.41011 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 3, Paper No. 132, 18 p. (2020). Reviewer: Vijay Gupta (New Delhi) MSC: 41A25 40F05 PDF BibTeX XML Cite \textit{C. Turkun} and \textit{O. Duman}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 3, Paper No. 132, 18 p. (2020; Zbl 1440.41011) Full Text: DOI OpenURL
Dragomir, Silvestru Sever On some Grüss’ type inequalities for the complex integral. (English) Zbl 1426.26043 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 4, 3531-3543 (2019). MSC: 26D15 26D10 30A10 PDF BibTeX XML Cite \textit{S. S. Dragomir}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 4, 3531--3543 (2019; Zbl 1426.26043) Full Text: DOI OpenURL
Acu, Ana-Maria; Acar, Tuncer; Radu, Voichiţa Adriana Approximation by modified \(U^{\rho }_n\) operators. (English) Zbl 1423.41028 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 3, 2715-2729 (2019). Reviewer: Zoltán Finta (Cluj-Napoca) MSC: 41A36 41A10 41A25 PDF BibTeX XML Cite \textit{A.-M. Acu} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 3, 2715--2729 (2019; Zbl 1423.41028) Full Text: DOI OpenURL
Jeribi, Aref; Krichen, Bilel; Zitouni, Ali Spectral properties for \(\gamma \)-diagonally dominant operator matrices using demicompactness classes and applications. (English) Zbl 07092250 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 3, 2391-2406 (2019). MSC: 47A55 47A53 47H08 PDF BibTeX XML Cite \textit{A. Jeribi} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 3, 2391--2406 (2019; Zbl 07092250) Full Text: DOI OpenURL
Garg, Tarul; Acu, Ana Maria; Agrawal, Purshottam Narain Further results concerning some general Durrmeyer type operators. (English) Zbl 1429.41023 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 3, 2373-2390 (2019). Reviewer: Alexei Lukashov (Saratov) MSC: 41A36 41A10 41A25 41A60 PDF BibTeX XML Cite \textit{T. Garg} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 3, 2373--2390 (2019; Zbl 1429.41023) Full Text: DOI OpenURL
Shen, Junli; Ji, Guoxing Property (\(t\)) and perturbations. (English) Zbl 07086886 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1417-1427 (2019). MSC: 47B20 47A10 PDF BibTeX XML Cite \textit{J. Shen} and \textit{G. Ji}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1417--1427 (2019; Zbl 07086886) Full Text: DOI OpenURL
Dziok, Jacek Classes of harmonic functions associated with Ruscheweyh derivatives. (English) Zbl 1421.31002 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1315-1329 (2019). MSC: 31A05 30C55 30C45 PDF BibTeX XML Cite \textit{J. Dziok}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1315--1329 (2019; Zbl 1421.31002) Full Text: DOI OpenURL
Arif, Muhammad; Srivastava, H. M.; Umar, Sadaf Some applications of a \(q\)-analogue of the Ruscheweyh type operator for multivalent functions. (English) Zbl 1421.30015 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1211-1221 (2019). MSC: 30C45 30C50 PDF BibTeX XML Cite \textit{M. Arif} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 1211--1221 (2019; Zbl 1421.30015) Full Text: DOI OpenURL
Anastassiou, George A. Quantitative approximation by perturbed Kantorovich-Choquet neural network operators. (English) Zbl 1416.41016 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 875-900 (2019). MSC: 41A25 41A17 41A30 41A35 PDF BibTeX XML Cite \textit{G. A. Anastassiou}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 113, No. 2, 875--900 (2019; Zbl 1416.41016) Full Text: DOI OpenURL
Ansari, Arslan Hojat; Ege, Ozgur; Radenović, Stojan Some fixed point results on complex valued \(G_{b}\)-metric spaces. (English) Zbl 1489.54059 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 112, No. 2, 463-472 (2018). MSC: 54H25 47H10 54E40 PDF BibTeX XML Cite \textit{A. H. Ansari} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 112, No. 2, 463--472 (2018; Zbl 1489.54059) Full Text: DOI OpenURL
Singh, Deepak; Joshi, Vishal; Kumam, Poom; Singh, Naval Fixed point results for generalized \(F\)-contractive and roger Hardy type \(F\)-contractive mappings in \(G\)-metric spaces. (English) Zbl 1454.47086 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 111, No. 2, 473-487 (2017). MSC: 54H25 PDF BibTeX XML Cite \textit{D. Singh} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 111, No. 2, 473--487 (2017; Zbl 1454.47086) Full Text: DOI OpenURL
Supramaniam, Shamani; Chandrashekar, R.; Lee, See Keong; Subramanian, K. G. Convexity of functions defined by differential inequalities and integral operators. (English) Zbl 1360.30014 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 111, No. 1, 147-157 (2017). MSC: 30C45 PDF BibTeX XML Cite \textit{S. Supramaniam} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 111, No. 1, 147--157 (2017; Zbl 1360.30014) Full Text: DOI OpenURL
Tran Van An; Nguyen Van Dung; Kadelburg, Zoran; Radenović, Stojan Various generalizations of metric spaces and fixed point theorems. (English) Zbl 1318.54038 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 109, No. 1, 175-198 (2015). Reviewer: Hüseyin Çakallı(Istanbul) MSC: 54H25 54E99 PDF BibTeX XML Cite \textit{Tran Van An} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 109, No. 1, 175--198 (2015; Zbl 1318.54038) Full Text: DOI OpenURL
Kąkol, J.; López-Pellicer, M. On realcompact topological vector spaces. (English) Zbl 1226.46003 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 105, No. 1, 39-70 (2011). Reviewer: Petr Holický (Praha) MSC: 46A04 54C35 46A50 54D20 54D30 54D45 54D60 54H05 PDF BibTeX XML Cite \textit{J. Kąkol} and \textit{M. López-Pellicer}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 105, No. 1, 39--70 (2011; Zbl 1226.46003) Full Text: DOI Link OpenURL