Quaestiones MathematicaeJournal of the South African Mathematical Society Short Title: Quaest. Math. Publisher: Taylor & Francis, Abingdon, Oxfordshire; National Inquiry Services Centre (NISC), Grahamstown ISSN: 1607-3606; 1727-933X/e Online: http://www.tandfonline.com/loi/tqma20http://www.nisc.co.za/abstracts?id=7&absid=318 Comments: Indexed cover-to-cover Documents Indexed: 2,084 Publications (since 1976) References Indexed: 1,455 Publications with 24,325 References. all top 5 Latest Issues 46, No. 3 (2023) 46, No. 2 (2023) 46, No. 1 (2023) 45, No. 12 (2022) 45, No. 11 (2022) 45, No. 10 (2022) 45, No. 9 (2022) 45, No. 8 (2022) 45, No. 7 (2022) 45, No. 6 (2022) 45, No. 5 (2022) 45, No. 4 (2022) 45, No. 3 (2022) 45, No. 2 (2022) 45, No. 1 (2022) 44, No. 12 (2021) 44, No. 11 (2021) 44, No. 10 (2021) 44, No. 9 (2021) 44, No. 8 (2021) 44, No. 7 (2021) 44, No. 6 (2021) 44, No. 5 (2021) 44, No. 4 (2021) 44, No. 3 (2021) 44, No. 2 (2021) 44, No. 1 (2021) 43, No. 12 (2020) 43, No. 11 (2020) 43, No. 10 (2020) 43, No. 9 (2020) 43, No. 8 (2020) 43, No. 7 (2020) 43, No. 5-6 (2020) 43, No. 4 (2020) 43, No. 3 (2020) 43, No. 2 (2020) 43, No. 1 (2020) 42, No. 10 (2019) 42, No. 9 (2019) 42, No. 8 (2019) 42, No. 7 (2019) 42, No. 6 (2019) 42, No. 5 (2019) 42, No. 4 (2019) 42, No. 3 (2019) 42, No. 2 (2019) 42, No. 1 (2019) 41, No. 8 (2018) 41, No. 7 (2018) 41, No. 6 (2018) 41, No. 5 (2018) 41, No. 4 (2018) 41, No. 3 (2018) 41, No. 2 (2018) 41, No. 1 (2018) 40, No. 8 (2017) 40, No. 7 (2017) 40, No. 6 (2017) 40, No. 5 (2017) 40, No. 4 (2017) 40, No. 3 (2017) 40, No. 2 (2017) 40, No. 1 (2017) 39, No. 8 (2016) 39, No. 7 (2016) 39, No. 6 (2016) 39, No. 5 (2016) 39, No. 4 (2016) 39, No. 3 (2016) 39, No. 2 (2016) 39, No. 1 (2016) 38, No. 6 (2015) 38, No. 5 (2015) 38, No. 4 (2015) 38, No. 3 (2015) 38, No. 2 (2015) 38, No. 1 (2015) 37, No. 4 (2014) 37, No. 3 (2014) 37, No. 2 (2014) 37, No. 1 (2014) 36, No. 4 (2013) 36, No. 3 (2013) 36, No. 2 (2013) 36, No. 1 (2013) 35, No. 4 (2012) 35, No. 3 (2012) 35, No. 2 (2012) 35, No. 1 (2012) 34, No. 4 (2011) 34, No. 3 (2011) 34, No. 2 (2011) 34, No. 1 (2011) 33, No. 4 (2010) 33, No. 3 (2010) 33, No. 2 (2010) 33, No. 1 (2010) 32, No. 4 (2009) 32, No. 3 (2009) ...and 95 more Volumes all top 5 Authors 24 Henning, Michael Anthony 21 Banaschewski, Bernhard 16 Herrlich, Horst 15 Grobler, Jacobus J. 15 Groenewald, Nico Johannes 15 Pultr, Aleš 14 Hardie, Keith A. 14 Leach, Peter Gavin Lawrence 13 Dube, Themba 13 Fourie, Jan H. 11 Castellini, Gabriele 11 Jäger, Gunther 10 Anguelov, Roumen 10 Picado, Jorge 10 Prodinger, Helmut 10 Rohwer, Carl Heinrich 10 Swart, Henda C. 10 Veldsman, Stefan 9 Booth, Geoffrey L. 9 France-Jackson, Halina 9 Labuschagne, Coenraad C. A. 9 Moori, Jamshid 9 Song, Yankui 8 Bentley, Herschel Lamar 8 Cross, Ronald 8 Diestel, Joseph 8 Haynes, Teresa W. 8 Le Roux, Herman J. 8 Ntumba, Patrice Pungu 8 Raubenheimer, Heinrich 8 Rund, Hanno 8 Srivastava, Arun Kamar 8 Winter, Paul August 7 Baboolal, Dharmanand 7 Bárcenas, Diómedes 7 Bu, Qingying 7 Driver, Kathy A. 7 Edelen, Dominic Gardiner Bowling 7 Everitt, William Norrie 7 Goddard, Wayne Dean 7 Knopfmacher, Arnold 7 Krall, Allan M. 7 Naude, Gert 7 Paliathanasis, Andronikos 7 Popa, Dumitru 7 Raftery, James G. 7 Swart, Johan 6 Buys, A. 6 Cherenack, Paul 6 Faierman, Melvin 6 Gutiérrez García, Javier 6 Hao, Guoliang 6 Labuschagne, Louis E. 6 Merca, Mircea 6 Moshokoa, Seithuti Philemon 6 Mosić, Dijana 6 Mwambene, Eric 6 Porst, Hans-Eberhard 6 Pretorius, Lou M. 6 Tkachuk, Vladimir Vladimirovich 6 van der Walt, Jan Harm 6 Wiegandt, Richard 6 Witbooi, Peter Joseph 5 Acharyya, Sudip Kumar 5 Alderton, Ian W. 5 Aouf, Mohamed Kamal 5 Broere, Izak 5 Burton, M. H. 5 Cammaroto, Filippo 5 De, Uday Chand 5 Fay, Temple H. 5 Frith, John L. 5 Garcia-Pacheco, Francisco Javier 5 Ghasemi Honary, Taher 5 Govinder, Keshlan Sathasiva 5 Hajek, Darrell W. 5 Harding, Ansie 5 Kadets’, Volodymyr Mykhaĭlovych 5 Khalique, Chaudry Masood 5 Littlejohn, Lance L. 5 Ma, Jingjing 5 Mahomed, Fazal M. 5 Mynhardt, Christina Magdalena 5 Patidar, Kailash C. 5 Preuß, Gerhard 5 Rodrigues, Bernardo Gabriel 5 Sánchez-Pérez, Enrique Alfonso 5 Schauerte, Anneliese 5 van Eldik, Peter 4 Al-saedi, Ahmed Eid Salem 4 Álvarez Seco, Teresa 4 Ashraf, Mohammad 4 Ball, Richard N. 4 Bargenda, Hubertus W. 4 Bishop, Nigel T. 4 Bonanzinga, Maddalena 4 Browne, Patrick J. 4 Brümmer, Guillaume C. L. 4 Burger, Alewyn Petrus 4 Cabrera Martínez, Abel ...and 2,083 more Authors all top 5 Fields 397 General topology (54-XX) 386 Functional analysis (46-XX) 287 Operator theory (47-XX) 222 Combinatorics (05-XX) 208 Associative rings and algebras (16-XX) 186 Category theory; homological algebra (18-XX) 178 Order, lattices, ordered algebraic structures (06-XX) 138 Number theory (11-XX) 123 Ordinary differential equations (34-XX) 114 Group theory and generalizations (20-XX) 100 Partial differential equations (35-XX) 65 Differential geometry (53-XX) 61 Commutative algebra (13-XX) 60 Real functions (26-XX) 55 Mathematical logic and foundations (03-XX) 53 Algebraic topology (55-XX) 51 Measure and integration (28-XX) 49 Functions of a complex variable (30-XX) 47 Numerical analysis (65-XX) 41 Linear and multilinear algebra; matrix theory (15-XX) 40 Approximations and expansions (41-XX) 39 Probability theory and stochastic processes (60-XX) 38 Special functions (33-XX) 38 Global analysis, analysis on manifolds (58-XX) 34 Harmonic analysis on Euclidean spaces (42-XX) 32 Nonassociative rings and algebras (17-XX) 32 Dynamical systems and ergodic theory (37-XX) 30 General and overarching topics; collections (00-XX) 28 General algebraic systems (08-XX) 27 Fluid mechanics (76-XX) 25 Convex and discrete geometry (52-XX) 24 Sequences, series, summability (40-XX) 23 Algebraic geometry (14-XX) 22 Difference and functional equations (39-XX) 21 Topological groups, Lie groups (22-XX) 19 Calculus of variations and optimal control; optimization (49-XX) 18 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 17 Systems theory; control (93-XX) 15 Mathematics education (97-XX) 14 Field theory and polynomials (12-XX) 14 Abstract harmonic analysis (43-XX) 14 Information and communication theory, circuits (94-XX) 13 Manifolds and cell complexes (57-XX) 13 Computer science (68-XX) 13 Biology and other natural sciences (92-XX) 12 Relativity and gravitational theory (83-XX) 10 History and biography (01-XX) 10 Mechanics of particles and systems (70-XX) 9 Integral equations (45-XX) 8 Integral transforms, operational calculus (44-XX) 8 Operations research, mathematical programming (90-XX) 6 Classical thermodynamics, heat transfer (80-XX) 5 Potential theory (31-XX) 5 Geometry (51-XX) 5 Statistics (62-XX) 5 Quantum theory (81-XX) 3 Several complex variables and analytic spaces (32-XX) 3 Mechanics of deformable solids (74-XX) 2 \(K\)-theory (19-XX) 2 Optics, electromagnetic theory (78-XX) 2 Statistical mechanics, structure of matter (82-XX) 2 Astronomy and astrophysics (85-XX) 2 Geophysics (86-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 1,199 Publications have been cited 5,548 times in 4,400 Documents Cited by ▼ Year ▼ A category of L-fuzzy convergence spaces. Zbl 0991.54004Jäger, Gunther 83 2001 Well-covered graphs: A survey. Zbl 0817.05068Plummer, Michael D. 61 1993 Revisiting the core EP inverse and its extension to rectangular matrices. Zbl 1390.15010Ferreyra, D. E.; Levis, F. E.; Thome, N. 56 2018 The Krall polynomials: A new class of orthogonal polynomials. Zbl 0514.33008Littlejohn, Lance L. 50 1982 Powerset operator based foundation for point-set lattice-theoretic (poslat) fuzzy set theories and topologies. Zbl 0911.04003Rodabaugh, Stephen Ernest 49 1997 Combinatorics of open covers. VI: Selectors for sequences of dense sets. Zbl 0972.91026Scheepers, Marion 44 1999 Density by moduli and statistical convergence. Zbl 1426.40002Aizpuru, A.; Listán-García, M. C.; Rambla-Barreno, F. 40 2014 On the spectrum of a singular Hamiltonian system. Zbl 0509.34018Hinton, D. B.; Shaw, J. K. 39 1982 Enriched categories and cohomology. Zbl 0523.18007Street, Ross 39 1983 The linear symmetries of a nonlinear differential equation. Zbl 0618.34009Mahomed, F. M.; Leach, P. G. L. 39 1985 Biframes and bispaces. Zbl 0513.06005Banaschewski, B.; Brümmer, G. C. L.; Hardie, K. A. 36 1983 Higher derivations and a theorem by Herstein. Zbl 1009.16036Ferrero, Miguel; Haetinger, Claus 36 2002 Efficient spectral-Petrov-Galerkin methods for third- and fifth-order differential equations using general parameters generalized Jacobi polynomials. Zbl 1274.65222Abd-Elhameed, W. M.; Doha, E. H.; Youssri, Y. H. 35 2013 Functorial relationships between lattice-valued topology and topological systems. Zbl 1220.06001Denniston, J. T.; Rodabaugh, S. E. 35 2009 Lie point symmetries for systems of second order linear ordinary differential equations. Zbl 0649.34018Gorringe, V. M.; Leach, P. G. L. 34 1988 An application of a new theorem on orthogonal polynomials and differential equations. Zbl 0605.33010Littlejohn, Lance L. 33 1986 Combinatorial parameters in bargraphs. Zbl 1423.05011Blecher, Aubrey; Brennan, Charlotte; Knopfmacher, Arnold 32 2016 Lower set-valued fuzzy topologies. Zbl 0890.54005Kubiak, T.; Šostak, A. 32 1997 On necessary and sufficient conditions for the existence of Caratheodory solutions of ordinary differential equations. Zbl 0392.34002Everitt, W. N.; Race, David 30 1978 Boundedness of multilinear singular integral operator with non-smooth kernels and mean oscillation. Zbl 1423.42027Huang, Chuangxia; Liu, Lanzhe 29 2017 Cauchy points of uniform and nearness frames. Zbl 0861.54023Banaschewski, B.; Pultr, A. 29 1996 On convergence of homotopy analysis method and its application to fractional integro-differential equations. Zbl 1274.65229Abbasbandy, Saeid; Hashemi, Mir Sajjad; Hashim, Ishak 29 2013 Convergence analysis of an iterative method for solving multiple-set split feasibility problems in certain Banach spaces. Zbl 07117256Mewomo, O. T.; Ogbuisi, Ferdinard U. 27 2018 Stratified \(L\)-uniform convergence spaces. Zbl 1075.54003Jäger, G.; Burton, M. H. 25 2005 On the projective curvature tensor of generalized Sasakian-space-forms. Zbl 1274.53067De, Uday Chand; Sarkar, Avijit 24 2010 On categories of monoids, comonoids, and bimonoids. Zbl 1154.18005Porst, Hans-E. 24 2008 Dedekind order completion of \(C(X)\) by Hausdorff continuous functions. Zbl 1062.54017Anguelov, R. 23 2004 The Lie algebra sl(3,\({\mathcal R})\) and linearization. Zbl 0683.34004Mahomed, F. M.; Leach, P. G. L. 23 1989 Primitivity in matrix near-rings. Zbl 0602.16031van der Walt, Andries P. J. 23 1986 Interior operators in general categories. Zbl 0974.18003Vorster, S. J. Roelof 22 2000 Absolutely summing multilinear operators: a panorama. Zbl 1274.47001Pellegrino, Daniel; Santos, Joedson 22 2011 The dual space of an asymmetric normed linear space. Zbl 1043.46021García-Raffi, L. M.; Romaguera, S.; Sánchez-Pérez, E. A. 21 2003 Cutting down very simple trees. Zbl 1120.05020Panholzer, Alois 21 2006 Fischer’s diagonal condition for lattice-valued convergence spaces. Zbl 1168.54005Jäger, Gunther 20 2008 Vertex covers and secure domination in graphs. Zbl 1154.05048Burger, Alewyn P.; Henning, Michael A.; van Vuuren, Jan H. 20 2008 Powers and exponential objects in initially structured categories and applications to categories of limit spaces. Zbl 0521.54006Schwarz, Friedhelm 19 1983 Cartesian closed coreflective hulls. Zbl 0366.18008Nel, L. D. 19 1977 Compact operators which are defined by \(\ell_p\)-spaces. Zbl 1274.47007Ain, Kati; Lillemets, Rauni; Oja, Eve 19 2012 On generalization of some inequalities for generalized harmonically convex functions via local fractional integrals. Zbl 1428.26056Sun, Wenbing 19 2019 Clique numbers of Paley graphs. Zbl 0691.05051Cohen, Stephen D. 18 1988 On the completion of nearness frames. Zbl 0931.54025Banaschewski, B.; Hong, S. S.; Pultr, A. 17 1998 Separation of convex sets and best approximation in spaces with asymmetric norm. Zbl 1082.41024Cobzaş, S. 17 2004 *-rings and their radicals. Zbl 0584.16002France-Jackson, Halina 17 1985 On the spectrum of a singular Hamilton system. II. Zbl 0615.34016Hinton, D. B.; Shaw, J. K. 17 1986 Observations about the projective tensor product of Banach spaces. I: \(\ell^p\hat\otimes X,\, 1<p<\infty\). Zbl 1038.46061Bu, Qingying; Diestel, Joe 17 2001 On statistical convergence of difference sequences of fractional order and related Korovkin type approximation theorems. Zbl 1410.40004Baliarsingh, P.; Kadak, U.; Mursaleen, M. 17 2018 On some properties of the Legendre type differential expression. Zbl 0705.33007Everitt, W. N.; Krall, A. M.; Littlejohn, L. L. 16 1990 Copure injective modules. Zbl 0747.16003Enochs, Edgar E.; Jenda, Overtoun M. G. 16 1991 de la Vallée Poussin’s theorem and weakly compact sets in Orlicz spaces. Zbl 0808.46036Alexopoulos, J. 16 1994 Topologies on the set of all subspaces of a Banach space and related questions of Banach space geometry. Zbl 0807.46014Ostrovskij, M. I. 16 1994 Distinct digits in base \(b\) expansions of linear recurrence sequences. Zbl 1030.11004Luca, Florian 16 2000 The spectral theory of commutative \(C^*\)-algebras: The constructive spectrum. Zbl 0977.18003Banaschewski, Bernhard; Mulvey, Christopher J. 16 2000 Weaker forms of the Menger property. Zbl 1274.54074Pansera, Bruno Antonio 16 2012 Montel resolvents and uniformly mean ergodic semigroups of linear operators. Zbl 1274.47005Albanese, Angela A.; Bonet, José; Ricker, Werner J. 16 2013 Sheaves of Banach spaces. Zbl 0435.46051Banaschewski, B. 16 1977 Order convergence structure on \(C(X)\). Zbl 1094.46004Anguelov, Roumen; van der Walt, Jan Harm 16 2005 Strong inclusion orders between \(L\)-subsets and its applications in \(L\)-convex spaces. Zbl 1406.52001Pang, Bin; Shi, Fu-Gui 16 2018 Semi-invariant submersions whose total manifolds are locally product Riemannian. Zbl 1426.53048Özdemir, Fatma; Sayar, Cem; Taṣtan, Hakan Mete 15 2017 Core-EP pre-order of Hilbert space operators. Zbl 1442.15005Mosić, Dijana 15 2018 Nowhere weak differentiability of the Pettis integral. Zbl 0856.28006Dilworth, S. J.; Girardi, Maria 15 1995 \(T_ 0\)-objects and separated objects in topological categories. Zbl 0756.54011Weck-Schwarz, Sibylle 15 1991 Automatic continuity of \(N\)-homomorphisms between Banach algebras. Zbl 1274.46100Honary, Taher G.; Shayanpour, H. 15 2010 On the Groenewald-Heyman strongly prime radical. Zbl 0554.16005Parmenter, M. M.; Stewart, P. N.; Wiegandt, R. 14 1984 Relative compactness and compactness of general subsets in an \(I\)- topological space. Zbl 0806.54007Chadwick, J. J. 14 1991 The spectral theory of commutative \(C^*\)-algebras: The constructive Gelfand-Mazur theorem. Zbl 0977.18004Banaschewski, Bernhard; Mulvey, Christopher J. 14 2000 A convergence theory for probabilistic metric spaces. Zbl 1397.54042Jäger, Gunther 14 2015 Precompactness in fuzzy uniform spaces. Zbl 0776.54007Burton, M. H. 14 1993 Topological categories and closure operators. Zbl 0657.18003Dikranjan, D.; Giuli, E.; Toi, A. 14 1988 On products of groups for which normality is a transitive relation on their Frattini factor groups. Zbl 0859.20017van der Waall, Robert W.; Fransman, Andrew 13 1996 Identification of extrapolation spaces for unbounded operators. Zbl 0863.47024Nagel, Rainer; Nickel, Gregor; Romanelli, Silvia 13 1996 Fuzzy topologies of Scott continuous functions and their relation to the hypergraph functor. Zbl 0764.54004Kotzé, Wesley; Kubiak, Tomasz 13 1992 Pointfree aspects of the \(T_D\) axiom of classical topology. Zbl 1274.54068Banaschewski, Bernhard; Pultr, Aleš 13 2010 Ruston elements and Fredholm theory relative to arbitrary homomorphisms. Zbl 1274.46095Mouton, H.du T.; Mouton, S.; Raubenheimer, H. 13 2011 On the relationship between several basic categories in fuzzy topology. Zbl 1041.54014Zhang, Dexue 13 2002 A lemma on \(C_0\)-semigroups and applications. Zbl 1073.47046Leiva, Hugo 13 2003 The disjunctive domination number of a graph. Zbl 1404.05150Goddard, Wayne; Henning, Michael A.; McPillan, Charles A. 13 2014 The frame envelope of a \(\sigma\)-frame. Zbl 0779.06009Banaschewski, Bernhard 13 1993 Iterative algorithm for a family of monotone inclusion problems in \(\mathrm{CAT}(0)\) spaces. Zbl 07311174Dehghan, H.; Izuchukwu, C.; Mewomo, O. T.; Taba, D. A.; Ugwunnadi, G. C. 13 2020 Joint discrete universality for periodic zeta-functions. Zbl 1441.11235Laurinčikas, Antanas 12 2019 Generalized derivations of associative algebras. Zbl 1048.16019Komatsu, Hiroaki; Nakajima, Atsushi 12 2003 Eigenvalue problems with the spectral parameter also in the boundary condition. Zbl 0493.35064Sauer, Niko; van der Merwe, Alna 12 1982 Approximation in Lipschitz algebras. Zbl 0963.46034Honary, T. G.; Mahyar, H. 12 2000 Optimal impliciational bases for finite modular lattices. Zbl 0963.06006Wild, Marcel 12 2000 The Fischer-Clifford matrices of the group \(2^6:\text{SP}_6(2)\). Zbl 0944.20010Moori, Jamshid; Mpono, Zwelethemba 12 1999 Extreme 2-homogeneous polynomials on Hilbert spaces. Zbl 1035.46034Grecu, Bogdan C. 12 2002 Some properties of Baskakov-Schurer-Szász operators via power summability methods. Zbl 1434.41013Braha, Naim L. 12 2019 Variations of classical selection principles: an overview. Zbl 1450.54010Kočinac, Ljubiša D. R. 12 2020 Combined sinh-cosh-Gordon equation: symmetry reductions, exact solutions and conservation laws. Zbl 1397.35152Khalique, C. M.; Magalakwe, G. 12 2014 Modulo-constant ideal-hereditary radicals of near-rings. Zbl 0656.16017Veldsman, Stefan 12 1988 Sierpinski objects in subcategories of FTS. Zbl 0658.54004Lowen, R.; Srivastava, A. K. 12 1988 The clique numbers and chromatic numbers of certain Paley graphs. Zbl 0634.05030Broere, I.; Döman, D.; Ridley, J. N. 12 1988 On \(c\)-realcompact spaces. Zbl 1415.54011Karamzadeh, O. A. S.; Keshtkar, Zahra 12 2018 A new family of Lerch-type zeta functions interpolating a certain class of higher-order Apostol-type numbers and Apostol-type polynomials. Zbl 1446.11038Kucukoğlu, Irem; Simsek, Yilmaz; Srivastava, H. M. 11 2019 Products of circulant graphs. Zbl 0744.05058Broere, Izak; Hattingh, Johannes H. 11 1990 Singularly perturbed Volterra integro-differential equations. Zbl 1022.45004Bijura, A. M. 11 2002 Some observations about the space of weakly continuous functions from a compact space into a Banach space. Zbl 0769.46031Arias de Reyna, J.; Diestel, J.; Rodriguez-Piazza, L.; Lomonosov, V. 11 1992 Numerical homoclinic instabilities in the sine-Gordon equation. Zbl 0785.65086Herbst, B. M.; Ablowitz, M. J. 11 1992 Stratified sequences of nested quadrature formulas. Zbl 0788.65025Laurie, Dirk P. 11 1992 On the commutativity of prime rings with derivation. Zbl 0958.16036Bell, Howard E. 11 1999 Some properties and expansions associated with the \(q\)-digamma function. Zbl 1274.41061Salem, Ahmed 11 2013 Almost \(\eta\)-Ricci and almost \(\eta\)-Yamabe solitons with torse-forming potential vector field. Zbl 1491.35391Blaga, Adara M.; Özgür, Cihan 7 2022 Blow up of solutions for a nonlinear viscoelastic system with general source term. Zbl 1486.35072Boulaaras, Salah; Bouizem, Youcef 3 2022 The Hopf algebroid structure of differentially recursive sequences. Zbl 1508.12005El Kaoutit, Laiachi; Saracco, Paolo 2 2022 Shifting powers in Spivey’s Bell number formula. Zbl 1492.05013Mansour, Toufik; Rastegar, Reza; Roitershtein, Alexander; Shattuck, Mark 1 2022 Farthest point problem and partial statistical continuity in normed linear spaces. 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Zbl 1439.35231Alsaedi, Ahmed; Kirane, Mokhtar; Torebek, Berikbol T. 2 2020 ...and 1047 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 4,395 Authors 47 Henning, Michael Anthony 33 Leach, Peter Gavin Lawrence 31 Jäger, Gunther 31 Picado, Jorge 30 Mewomo, Oluwatosin Temitope 29 Dube, Themba 27 Mansour, Toufik 26 Mosić, Dijana 25 Chu, Yuming 24 Pang, Bin 24 Pultr, Aleš 23 Veldsman, Stefan 22 Abd-Elhameed, Waleed Mohamed 22 Groenewald, Nico Johannes 22 Gutiérrez García, Javier 21 Littlejohn, Lance L. 20 Ashraf, Mohammad 19 Hayat, Tasawar 19 Labuschagne, Coenraad C. A. 19 Solovyov, Sergey A. 18 Booth, Geoffrey L. 18 Stanimirović, Predrag S. 17 Al-saedi, Ahmed Eid Salem 17 Castellini, Gabriele 17 Durán, Antonio José 17 Pellegrino, Daniel Marinho 17 Sánchez-Pérez, Enrique Alfonso 16 Banaschewski, Bernhard 16 Luca, Florian 16 Mahomed, Fazal M. 16 Rashid, Saima 15 De, Uday Chand 15 Dikranjan, Dikran N. 15 Everitt, William Norrie 15 Fang, Jinming 15 Grobler, Jacobus J. 15 Porst, Hans-Eberhard 15 Schauerte, Anneliese 15 Šlapal, Josef 14 Ao, Jijun 14 Doha, Eid H. 14 France-Jackson, Halina 14 Hardie, Keith A. 14 Kočinac, Ljubiša D. R. 14 Li, Lingqiang 14 Naidoo, Inderasan 14 Tholen, Walter 13 Ahsanullah, T. M. G. 13 Bu, Qingying 13 Frith, John L. 13 Herrlich, Horst 13 Leiva, Hugo 13 Özçağ, Selma 13 Rodabaugh, Stephen Ernest 13 Shi, Fu-Gui 13 Sun, Jiong 13 van der Walt, Jan Harm 12 Et, Mikail 12 Holgate, David B. 12 Izuchukwu, Chinedu 12 Kubiak, Tomasz 12 Künzi, Hans-Peter A. 12 Ma, Haifeng 12 Raubenheimer, Heinrich 12 Ricker, Werner Joseph 12 Romaguera Bonilla, Salvador 12 Street, Ross H. 12 Youssri, Youssri H. 11 Hartnell, Bert L. 11 Jin, Qiu 11 Jolaoso, Lateef Olakunle 11 Knopfmacher, Arnold 11 Mouton, Sonja 11 Valero, Oscar 11 Yang, Hongwei 10 Băleanu, Dumitru I. 10 Bonet Solves, José 10 Burton, M. H. 10 Chen, Jianlong 10 Davila, Randy Ryan 10 Ighedo, Oghenetega 10 Kwon, Kil Hyun 10 Kyrchei, Ivan I. 10 Mursaleen, Mohammad 10 Plummer, Michael D. 10 Popa, Dumitru 10 Prins, Abraham Love 10 Rodríguez Ruiz, José 10 Seoane-Sepúlveda, Juan Benigno 10 Šostak, Alexander P. 10 Tsar’kov, Igor’ Germanovich 10 van Wyk, Leon 9 Alderton, Ian W. 9 Ali, Faryad 9 Álvarez Seco, Teresa 9 Braha, Naim Latif 9 Brown, Jason Ira 9 Brümmer, Guillaume C. L. 9 Cross, Ronald 9 Di Piazza, Luisa ...and 4,295 more Authors all top 5 Cited in 576 Journals 332 Quaestiones Mathematicae 227 Topology and its Applications 173 Journal of Mathematical Analysis and Applications 165 Fuzzy Sets and Systems 98 Communications in Algebra 81 Journal of Pure and Applied Algebra 77 Applied Categorical Structures 67 Discrete Mathematics 63 Discrete Applied Mathematics 58 Filomat 53 Positivity 50 Journal of Computational and Applied Mathematics 47 Linear and Multilinear Algebra 45 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 41 Bulletin of the Australian Mathematical Society 40 Mediterranean Journal of Mathematics 37 Rocky Mountain Journal of Mathematics 37 Acta Mathematica Hungarica 37 Advances in Difference Equations 36 Applied Mathematics and Computation 35 Proceedings of the American Mathematical Society 35 Bulletin of the Malaysian Mathematical Sciences Society. 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Mathematical Sciences 10 Journal of Difference Equations and Applications 10 Mathematical Problems in Engineering 10 Journal of the Australian Mathematical Society 10 Tbilisi Mathematical Journal 10 Discrete Mathematics, Algorithms and Applications ...and 476 more Journals all top 5 Cited in 63 Fields 903 General topology (54-XX) 752 Functional analysis (46-XX) 618 Operator theory (47-XX) 484 Combinatorics (05-XX) 452 Category theory; homological algebra (18-XX) 392 Associative rings and algebras (16-XX) 382 Order, lattices, ordered algebraic structures (06-XX) 363 Ordinary differential equations (34-XX) 213 Number theory (11-XX) 204 Group theory and generalizations (20-XX) 198 Partial differential equations (35-XX) 166 Real functions (26-XX) 164 Numerical analysis (65-XX) 157 Special functions (33-XX) 156 Mathematical logic and foundations (03-XX) 146 Linear and multilinear algebra; matrix theory (15-XX) 109 Measure and integration (28-XX) 107 Computer science (68-XX) 97 Differential geometry (53-XX) 93 Commutative algebra (13-XX) 92 Approximations and expansions (41-XX) 91 Sequences, series, summability (40-XX) 88 Probability theory and stochastic processes (60-XX) 86 Harmonic analysis on Euclidean spaces (42-XX) 79 Dynamical systems and ergodic theory (37-XX) 78 Algebraic topology (55-XX) 76 Fluid mechanics (76-XX) 64 Functions of a complex variable (30-XX) 62 Difference and functional equations (39-XX) 59 Nonassociative rings and algebras (17-XX) 53 General algebraic systems (08-XX) 52 Convex and discrete geometry (52-XX) 45 Biology and other natural sciences (92-XX) 41 Integral equations (45-XX) 39 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 37 Topological groups, Lie groups (22-XX) 37 Global analysis, analysis on manifolds (58-XX) 36 Operations research, mathematical programming (90-XX) 35 Systems theory; control (93-XX) 30 Calculus of variations and optimal control; optimization (49-XX) 30 Mechanics of particles and systems (70-XX) 26 Algebraic geometry (14-XX) 23 Mechanics of deformable solids (74-XX) 23 Classical thermodynamics, heat transfer (80-XX) 21 Information and communication theory, circuits (94-XX) 20 Manifolds and cell complexes (57-XX) 20 Statistics (62-XX) 18 Quantum theory (81-XX) 16 Abstract harmonic analysis (43-XX) 14 Geometry (51-XX) 11 Field theory and polynomials (12-XX) 11 Several complex variables and analytic spaces (32-XX) 10 Relativity and gravitational theory (83-XX) 10 Geophysics (86-XX) 9 General and overarching topics; collections (00-XX) 9 History and biography (01-XX) 9 Potential theory (31-XX) 7 Integral transforms, operational calculus (44-XX) 7 Statistical mechanics, structure of matter (82-XX) 4 Mathematics education (97-XX) 3 Astronomy and astrophysics (85-XX) 2 Optics, electromagnetic theory (78-XX) 1 \(K\)-theory (19-XX) Citations by Year