Doudi, Nadjat; Boulaaras, Salah Global existence combined with general decay of solutions for coupled Kirchhoff system with a distributed delay term. (English) Zbl 1450.35061 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 204, 30 p. (2020). MSC: 35B40 35L53 35L72 74D05 PDFBibTeX XMLCite \textit{N. Doudi} and \textit{S. Boulaaras}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 204, 30 p. (2020; Zbl 1450.35061) Full Text: DOI
Ddamulira, Mahadi Tribonacci numbers that are concatenations of two repdigits. (English) Zbl 1471.11063 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 203, 9 p. (2020). MSC: 11B39 11D45 11D61 11J86 PDFBibTeX XMLCite \textit{M. Ddamulira}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 203, 9 p. (2020; Zbl 1471.11063) Full Text: DOI
Bernal-González, L.; Fernández-Sánchez, Juan; Seoane-Sepúlveda, J. B.; Trutschnig, Wolfgang Highly tempering infinite matrices. II: From divergence to convergence via Toeplitz-Silverman matrices. (English) Zbl 1451.15019 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 202, 9 p. (2020). Reviewer: John D. Dixon (Ottawa) MSC: 15B05 15A03 46B87 26B30 PDFBibTeX XMLCite \textit{L. Bernal-González} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 202, 9 p. (2020; Zbl 1451.15019) Full Text: DOI
Liu, Ji-Cai On two congruences involving Franel numbers. (English) Zbl 1444.11010 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 201, 10 p. (2020). MSC: 11A07 11B68 05A19 PDFBibTeX XMLCite \textit{J.-C. Liu}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 201, 10 p. (2020; Zbl 1444.11010) Full Text: DOI arXiv
Kim, Ju Myung; Zheng, Bentuo \(E\)-approximation properties. (English) Zbl 1468.46031 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 200, 16 p. (2020). Reviewer: Johann Langemets (Tartu) MSC: 46B28 47L20 PDFBibTeX XMLCite \textit{J. M. Kim} and \textit{B. Zheng}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 200, 16 p. (2020; Zbl 1468.46031) Full Text: DOI
Sripattanet, Anchalee; Kangtunyakarn, Atid Convergence theorem for solving a new concept of the split variational inequality problems and application. (English) Zbl 07259108 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 177, 33 p. (2020). MSC: 47H09 47H10 90C33 PDFBibTeX XMLCite \textit{A. Sripattanet} and \textit{A. Kangtunyakarn}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 177, 33 p. (2020; Zbl 07259108) Full Text: DOI
Schindl, Gerhard Solid hulls and cores of classes of weighted entire functions defined in terms of associated weight functions. (English) Zbl 1455.30022 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 176, 37 p. (2020). Reviewer: Armin Rainer (Wien) MSC: 30D15 30H99 46E05 46E15 PDFBibTeX XMLCite \textit{G. Schindl}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 176, 37 p. (2020; Zbl 1455.30022) Full Text: DOI arXiv
Wen, Meng; Hu, Changsong; Cui, Angang; Peng, Jigen Algorithms for finding a common element of the set of common fixed points for nonexpansive semigroups, variational inclusions and generalized equilibrium problems. (English) Zbl 07259106 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 175, 20 p. (2020). MSC: 47H09 47H10 PDFBibTeX XMLCite \textit{M. Wen} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 175, 20 p. (2020; Zbl 07259106) Full Text: DOI
Gabriyelyan, Saak Ascoli’s theorem for pseudocompact spaces. (English) Zbl 1456.54006 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 174, 10 p. (2020). Reviewer: Laszlo Zsilinszky (Pembroke) MSC: 54C35 54D30 54A05 54B05 PDFBibTeX XMLCite \textit{S. Gabriyelyan}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 174, 10 p. (2020; Zbl 1456.54006) Full Text: DOI arXiv
Özger, Faruk; Srivastava, H. M.; Mohiuddine, S. A. Approximation of functions by a new class of generalized Bernstein-Schurer operators. (English) Zbl 1454.41006 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 173, 21 p. (2020). Reviewer: Neha Malik (New Delhi) MSC: 41A35 41A10 41A36 PDFBibTeX XMLCite \textit{F. Özger} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 173, 21 p. (2020; Zbl 1454.41006) Full Text: DOI
Sun, Ming-Bao; Chu, Yu-Ming Inequalities for the generalized weighted mean values of \(g\)-convex functions with applications. (English) Zbl 1450.26014 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 172, 12 p. (2020). Reviewer: James Adedayo Oguntuase (Abeokuta) MSC: 26D15 26A51 PDFBibTeX XMLCite \textit{M.-B. Sun} and \textit{Y.-M. Chu}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 172, 12 p. (2020; Zbl 1450.26014) Full Text: DOI
Niculescu, Constantin P.; Olteanu, Octav From the Hahn-Banach extension theorem to the isotonicity of convex functions and the majorization theory. (English) Zbl 07259102 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 171, 19 p. (2020). MSC: 47B65 47H07 28B15 46A22 PDFBibTeX XMLCite \textit{C. P. Niculescu} and \textit{O. Olteanu}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 171, 19 p. (2020; Zbl 07259102) Full Text: DOI
Özçağ, Emin Interpretations of some distributional compositions related to Dirac delta function via Fisher’s method. (English) Zbl 1466.46035 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 170, 15 p. (2020). MSC: 46F10 41A30 40A10 32A55 83F05 PDFBibTeX XMLCite \textit{E. Özçağ}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 170, 15 p. (2020; Zbl 1466.46035) Full Text: DOI
Karakuş, Mahmut; Başar, Feyzi Vector valued multiplier spaces of \(f_\lambda \)-summability, completeness through \(c_0(X)\)-multiplier convergence and continuity and compactness of summing operators. (English) Zbl 1466.46007 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 169, 17 p. (2020). MSC: 46B15 46B45 40H05 PDFBibTeX XMLCite \textit{M. Karakuş} and \textit{F. Başar}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 169, 17 p. (2020; Zbl 1466.46007) Full Text: DOI
Dudek, Szymon; Olszowy, Leszek Measures of noncompactness and superposition operator in the space of regulated functions on an unbounded interval. (English) Zbl 07259099 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 168, 22 p. (2020). MSC: 47H30 46E40 PDFBibTeX XMLCite \textit{S. Dudek} and \textit{L. Olszowy}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 168, 22 p. (2020; Zbl 07259099) Full Text: DOI
Kutbi, Marwan Amin; Latif, Abdul; Nazir, Talat Generalized rational contractions in semi metric spaces via iterated function system. (English) Zbl 07258369 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 187, 16 p. (2020). MSC: 47H10 54H25 54E50 PDFBibTeX XMLCite \textit{M. A. Kutbi} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 187, 16 p. (2020; Zbl 07258369) Full Text: DOI
Cano, Felipe; Mattei, Jean François; Ravara-Vago, Marianna Invariant hypersurfaces and nodal components for codimension one singular foliations. (English) Zbl 1506.32002 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 186, 35 p. (2020). MSC: 32S65 14B05 14M25 14E15 PDFBibTeX XMLCite \textit{F. Cano} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 186, 35 p. (2020; Zbl 1506.32002) Full Text: DOI arXiv
Debrouwere, Andreas; Nigsch, Eduard A. On the space of Laplace transformable distributions. (English) Zbl 1454.46038 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 185, 9 p. (2020). Reviewer: Michael Kunzinger (Wien) MSC: 46F05 46A13 PDFBibTeX XMLCite \textit{A. Debrouwere} and \textit{E. A. Nigsch}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 185, 9 p. (2020; Zbl 1454.46038) Full Text: DOI arXiv
Panigrahy, Krushnachandra; Mishra, Debasisha On reverse-order law of tensors and its application to additive results on Moore-Penrose inverse. (English) Zbl 1448.15033 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 184, 21 p. (2020). MSC: 15A69 15A09 15A10 15A06 PDFBibTeX XMLCite \textit{K. Panigrahy} and \textit{D. Mishra}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 184, 21 p. (2020; Zbl 1448.15033) Full Text: DOI arXiv
Castillo, Jesús M. F.; Corrêa, Willian H. G.; Ferenczi, Valentin; González, Manuel Differential processes generated by two interpolators. (English) Zbl 1473.46033 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 183, 23 p. (2020). Reviewer: David Yost (Ballarat) MSC: 46B70 46E10 46E30 46M18 46M35 PDFBibTeX XMLCite \textit{J. M. F. Castillo} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 183, 23 p. (2020; Zbl 1473.46033) Full Text: DOI arXiv
El-Shabrawy, Saad R.; Shindy, Asmaa M. Spectra of the constant Jacobi matrices on Banach sequence spaces. (English) Zbl 07258364 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 182, 23 p. (2020). MSC: 47A10 47B36 47B37 46B45 PDFBibTeX XMLCite \textit{S. R. El-Shabrawy} and \textit{A. M. Shindy}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 182, 23 p. (2020; Zbl 07258364) Full Text: DOI
Girela, Daniel; Merchán, Noel Multipliers and integration operators between conformally invariant spaces. (English) Zbl 1455.30048 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 181, 22 p. (2020). Reviewer: Raymond Mortini (Metz) MSC: 30H25 47B38 30H30 PDFBibTeX XMLCite \textit{D. Girela} and \textit{N. Merchán}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 181, 22 p. (2020; Zbl 1455.30048) Full Text: DOI arXiv
Reich, Simeon; Tuyen, Truong Minh Parallel iterative methods for solving the generalized split common null point problem in Hilbert spaces. (English) Zbl 07258362 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 180, 16 p. (2020). MSC: 47H05 47H09 49J53 90C25 PDFBibTeX XMLCite \textit{S. Reich} and \textit{T. M. Tuyen}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 180, 16 p. (2020; Zbl 07258362) Full Text: DOI
Kąkol, Jerzy; Moltó, Aníbal Witnessing the lack of the Grothendieck property in \(C(K)\)-spaces via convergent sequences. (English) Zbl 1456.46009 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 179, 7 p. (2020). Reviewer: Elói M. Galego (São Paulo) MSC: 46B03 46B25 46E15 54C35 PDFBibTeX XMLCite \textit{J. Kąkol} and \textit{A. Moltó}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 179, 7 p. (2020; Zbl 1456.46009) Full Text: DOI
Wani, Lateef Ahmad; Swaminathan, Anbhu Radius problems for functions associated with a nephroid domain. (English) Zbl 1451.30040 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 178, 20 p. (2020). MSC: 30C45 30C80 PDFBibTeX XMLCite \textit{L. A. Wani} and \textit{A. Swaminathan}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 178, 20 p. (2020; Zbl 1451.30040) Full Text: DOI arXiv
Gómez-Orts, Esther Weighted composition operators on Korenblum type spaces of analytic functions. (English) Zbl 07258325 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 199, 15 p. (2020). MSC: 47B33 46A04 46E15 47B07 47B38 PDFBibTeX XMLCite \textit{E. Gómez-Orts}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 199, 15 p. (2020; Zbl 07258325) Full Text: DOI Link
Kyrchei, Ivan Weighted quaternion core-EP, DMP, MPD, and CMP inverses and their determinantal representations. (English) Zbl 1451.15005 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 198, 26 p. (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 15A09 15A10 15A15 15B33 PDFBibTeX XMLCite \textit{I. Kyrchei}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 198, 26 p. (2020; Zbl 1451.15005) Full Text: DOI
Pant, Rajendra; Shukla, Rahul; Rakočević, Vladimir Approximating best proximity points for Reich type non-self nonexpansive mappings. (English) Zbl 07258323 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 197, 14 p. (2020). MSC: 47H10 47H09 PDFBibTeX XMLCite \textit{R. Pant} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 197, 14 p. (2020; Zbl 07258323) Full Text: DOI
Stojanović, Katarina S.; Mosić, Dijana Generalization of the Moore-Penrose inverse. (English) Zbl 07258322 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 196, 16 p. (2020). MSC: 47A05 47A62 15A09 PDFBibTeX XMLCite \textit{K. S. Stojanović} and \textit{D. Mosić}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 196, 16 p. (2020; Zbl 07258322) Full Text: DOI
Erden, Samet; Iftikhar, Sabah; Kumam, Poom; Awan, Muhammad Uzair Some Newton’s like inequalities with applications. (English) Zbl 1451.26026 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 195, 13 p. (2020). Reviewer: Choonkil Park (Seoul) MSC: 26D15 26D10 PDFBibTeX XMLCite \textit{S. Erden} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 195, 13 p. (2020; Zbl 1451.26026) Full Text: DOI
Diniz, Diogo; Fávaro, Vinícius V.; Pellegrino, Daniel; Raposo, Anselmo jun. Spaceability of the sets of surjective and injective operators between sequence spaces. (English) Zbl 07258320 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 194, 11 p. (2020). MSC: 47-XX 47B37 47L05 46B87 15A03 PDFBibTeX XMLCite \textit{D. Diniz} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 194, 11 p. (2020; Zbl 07258320) Full Text: DOI arXiv
Kong, Dezhou; Liu, Lishan; Wu, Yonghong Isotonicity of the proximity operator and mixed variational inequalities in Hilbert spaces. (English) Zbl 07258319 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 193, 23 p. (2020). MSC: 47-XX 41A65 47H07 06B30 47J20 47H10 PDFBibTeX XMLCite \textit{D. Kong} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 193, 23 p. (2020; Zbl 07258319) Full Text: DOI
Kumar, S. Sivaprasad; Goel, Priyanka Starlike functions and higher order differential subordinations. (English) Zbl 1451.30033 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 192, 23 p. (2020). MSC: 30C45 30C50 PDFBibTeX XMLCite \textit{S. S. Kumar} and \textit{P. Goel}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 192, 23 p. (2020; Zbl 1451.30033) Full Text: DOI
Qi, Feng; Huang, Chuan-Jun Computing sums in terms of beta, polygamma, and Gauss hypergeometric functions. (English) Zbl 1448.33004 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 191, 9 p. (2020). MSC: 33C05 05A10 11A25 11B65 33B15 PDFBibTeX XMLCite \textit{F. Qi} and \textit{C.-J. Huang}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 191, 9 p. (2020; Zbl 1448.33004) Full Text: DOI Link
Li, Long; Wang, Su-Dan Proof of a \(q\)-supercongruence conjectured by Guo and Schlosser. (English) Zbl 1479.11044 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 190, 7 p. (2020). MSC: 11B65 11A07 11F33 PDFBibTeX XMLCite \textit{L. Li} and \textit{S.-D. Wang}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 190, 7 p. (2020; Zbl 1479.11044) Full Text: DOI arXiv
Dujella, Andrej; Petričević, Vinko Doubly regular Diophantine quadruples. (English) Zbl 1453.11047 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 189, 8 p. (2020). Reviewer: Mahadi Ddamulira (Kampala) MSC: 11D09 11G05 PDFBibTeX XMLCite \textit{A. Dujella} and \textit{V. Petričević}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 189, 8 p. (2020; Zbl 1453.11047) Full Text: DOI arXiv
Abel, Ulrich; Gupta, Vijay Rate of convergence of exponential type operators related to \(p(x) =2x^{3/2}\) for functions of bounded variation. (English) Zbl 1454.41004 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 188, 8 p. (2020). Reviewer: Neha Malik (New Delhi) MSC: 41A25 41A30 PDFBibTeX XMLCite \textit{U. Abel} and \textit{V. Gupta}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 188, 8 p. (2020; Zbl 1454.41004) Full Text: DOI
Gun, Damla; Simsek, Yilmaz Some new identities and inequalities for Bernoulli polynomials and numbers of higher order related to the Stirling and Catalan numbers. (English) Zbl 1484.11072 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 167, 12 p. (2020). Reviewer: Mustapha Chellali (Oujda) MSC: 11B68 11B73 26C05 PDFBibTeX XMLCite \textit{D. Gun} and \textit{Y. Simsek}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 167, 12 p. (2020; Zbl 1484.11072) Full Text: DOI
Jastrzȩbski, Piotr; Kowalczyk, Bogumiła; Kwon, Oh Sang; Lecko, Adam; Sim, Young Jae Hermitian Toeplitz determinants of the second and third-order for classes of close-to-star functions. (English) Zbl 1446.30027 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 166, 14 p. (2020). MSC: 30C45 30C50 PDFBibTeX XMLCite \textit{P. Jastrzȩbski} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 166, 14 p. (2020; Zbl 1446.30027) Full Text: DOI
Dao, Nguyen Anh Instantaneous shrinking of the support of solutions to parabolic equations with a singular absorption. (English) Zbl 1445.35226 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 165, 5 p. (2020). MSC: 35K67 35K65 35K58 35K15 PDFBibTeX XMLCite \textit{N. A. Dao}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 165, 5 p. (2020; Zbl 1445.35226) Full Text: DOI
Puiwong, Jenjira; Saejung, Satit Banach’s fixed point theorem, Ćirić’s and Kannan’s are equivalent via redefining the metric. (English) Zbl 1505.54084 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 164, 8 p. (2020). MSC: 54H25 54E40 54E50 PDFBibTeX XMLCite \textit{J. Puiwong} and \textit{S. Saejung}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 164, 8 p. (2020; Zbl 1505.54084) Full Text: DOI
Albiac, Fernando; Briem, E. Gelfand theory for real Banach algebras. (English) Zbl 1447.46039 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 163, 13 p. (2020). Reviewer: Mart Abel (Tartu) MSC: 46J10 46J25 54C30 54C40 PDFBibTeX XMLCite \textit{F. Albiac} and \textit{E. Briem}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 163, 13 p. (2020; Zbl 1447.46039) Full Text: DOI
Ladra, Manuel; Páez-Guillán, Pilar; Recio, Tomás Dealing with negative conditions in automated proving: tools and challenges. The unexpected consequences of Rabinowitsch’s trick. (English) Zbl 1453.68209 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 162, 16 p. (2020). MSC: 68V15 14Q20 PDFBibTeX XMLCite \textit{M. Ladra} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 162, 16 p. (2020; Zbl 1453.68209) Full Text: DOI