## Quaestiones Mathematicae

### Journal 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: 2,064 Publications (since 1976) References Indexed: 1,435 Publications with 23,767 References.
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### 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 12 Fourie, Jan H. 11 Castellini, Gabriele 11 Jäger, Gunther 10 Anguelov, Roumen 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 Picado, Jorge 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 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 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 Gutiérrez García, Javier 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 Tkachuk, Vladimir Vladimirovich 5 van der Walt, Jan Harm 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 Desormeaux, Wyatt J. ...and 2,054 more Authors
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### Fields

 393 General topology (54-XX) 382 Functional analysis (46-XX) 284 Operator theory (47-XX) 219 Combinatorics (05-XX) 206 Associative rings and algebras (16-XX) 185 Category theory; homological algebra (18-XX) 176 Order, lattices, ordered algebraic structures (06-XX) 135 Number theory (11-XX) 121 Ordinary differential equations (34-XX) 115 Group theory and generalizations (20-XX) 100 Partial differential equations (35-XX) 64 Differential geometry (53-XX) 61 Commutative algebra (13-XX) 61 Real functions (26-XX) 56 Mathematical logic and foundations (03-XX) 52 Algebraic topology (55-XX) 51 Measure and integration (28-XX) 49 Functions of a complex variable (30-XX) 47 Numerical analysis (65-XX) 40 Approximations and expansions (41-XX) 38 Linear and multilinear algebra; matrix theory (15-XX) 38 Global analysis, analysis on manifolds (58-XX) 38 Probability theory and stochastic processes (60-XX) 37 Special functions (33-XX) 33 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) 18 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 Computer science (68-XX) 13 Biology and other natural sciences (92-XX) 12 Manifolds and cell complexes (57-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)

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Dedekind order completion of $$C(X)$$ by Hausdorff continuous functions. Zbl 1062.54017
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On the projective curvature tensor of generalized Sasakian-space-forms. Zbl 1274.53067
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2010
Stratified $$L$$-uniform convergence spaces. Zbl 1075.54003
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Absolutely summing multilinear operators: a panorama. Zbl 1274.47001
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The dual space of an asymmetric normed linear space. Zbl 1043.46021
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On categories of monoids, comonoids, and bimonoids. Zbl 1154.18005
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2008
Fischer’s diagonal condition for lattice-valued convergence spaces. Zbl 1168.54005
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2008
Vertex covers and secure domination in graphs. Zbl 1154.05048
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2008
Cutting down very simple trees. Zbl 1120.05020
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2006
Cartesian closed coreflective hulls. Zbl 0366.18008
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Powers and exponential objects in initially structured categories and applications to categories of limit spaces. Zbl 0521.54006
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Compact operators which are defined by $$\ell_p$$-spaces. Zbl 1274.47007
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On statistical convergence of difference sequences of fractional order and related Korovkin type approximation theorems. Zbl 1410.40004
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Separation of convex sets and best approximation in spaces with asymmetric norm. Zbl 1082.41024
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On the spectrum of a singular Hamilton system. II. Zbl 0615.34016
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Observations about the projective tensor product of Banach spaces. I: $$\ell^p\hat\otimes X,\, 1<p<\infty$$. Zbl 1038.46061
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Distinct digits in base $$b$$ expansions of linear recurrence sequences. Zbl 1030.11004
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The spectral theory of commutative $$C^*$$-algebras: The constructive spectrum. Zbl 0977.18003
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2000
On some properties of the Legendre type differential expression. Zbl 0705.33007
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1990
Order convergence structure on $$C(X)$$. Zbl 1094.46004
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Montel resolvents and uniformly mean ergodic semigroups of linear operators. Zbl 1274.47005
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2013
$$T_ 0$$-objects and separated objects in topological categories. Zbl 0756.54011
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1991
Nowhere weak differentiability of the Pettis integral. Zbl 0856.28006
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1995
On generalization of some inequalities for generalized harmonically convex functions via local fractional integrals. Zbl 1428.26056
Sun, Wenbing
2019
de la Vallée Poussin’s theorem and weakly compact sets in Orlicz spaces. Zbl 0808.46036
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Weaker forms of the Menger property. Zbl 1274.54074
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Topologies on the set of all subspaces of a Banach space and related questions of Banach space geometry. Zbl 0807.46014
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A convergence theory for probabilistic metric spaces. Zbl 1397.54042
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2018
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The spectral theory of commutative $$C^*$$-algebras: The constructive Gelfand-Mazur theorem. Zbl 0977.18004
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2010
Topological categories and closure operators. Zbl 0657.18003
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1988
Fuzzy topologies of Scott continuous functions and their relation to the hypergraph functor. Zbl 0764.54004
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1992
On products of groups for which normality is a transitive relation on their Frattini factor groups. Zbl 0859.20017
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1996
Identification of extrapolation spaces for unbounded operators. Zbl 0863.47024
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On the relationship between several basic categories in fuzzy topology. Zbl 1041.54014
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2002
The frame envelope of a $$\sigma$$-frame. Zbl 0779.06009
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Strong inclusion orders between $$L$$-subsets and its applications in $$L$$-convex spaces. Zbl 1406.52001
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2018
Semi-invariant submersions whose total manifolds are locally product Riemannian. Zbl 1426.53048
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2017
A lemma on $$C_0$$-semigroups and applications. Zbl 1073.47046
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2003
Pointfree aspects of the $$T_D$$ axiom of classical topology. Zbl 1274.54068
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2010
Ruston elements and Fredholm theory relative to arbitrary homomorphisms. Zbl 1274.46095
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2011
The Fischer-Clifford matrices of the group $$2^6:\text{SP}_6(2)$$. Zbl 0944.20010
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1999
Extreme 2-homogeneous polynomials on Hilbert spaces. Zbl 1035.46034
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2002
Combined sinh-cosh-Gordon equation: symmetry reductions, exact solutions and conservation laws. Zbl 1397.35152
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2014
The disjunctive domination number of a graph. Zbl 1404.05150
Goddard, Wayne; Henning, Michael A.; McPillan, Charles A.
2014
Eigenvalue problems with the spectral parameter also in the boundary condition. Zbl 0493.35064
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1982
On $$c$$-realcompact spaces. Zbl 1415.54011
Karamzadeh, O. A. S.; Keshtkar, Zahra
2018
The clique numbers and chromatic numbers of certain Paley graphs. Zbl 0634.05030
Broere, I.; Döman, D.; Ridley, J. N.
1988
Joint discrete universality for periodic zeta-functions. Zbl 1441.11235
Laurinčikas, Antanas
2019
Approximation in Lipschitz algebras. Zbl 0963.46034
Honary, T. G.; Mahyar, H.
2000
Optimal impliciational bases for finite modular lattices. Zbl 0963.06006
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2000
Generalized derivations of associative algebras. Zbl 1048.16019
Komatsu, Hiroaki; Nakajima, Atsushi
2003
Modulo-constant ideal-hereditary radicals of near-rings. Zbl 0656.16017
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1988
Sierpinski objects in subcategories of FTS. Zbl 0658.54004
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1988
Iterative algorithm for a family of monotone inclusion problems in $$\mathrm{CAT}(0)$$ spaces. Zbl 07311174
Dehghan, H.; Izuchukwu, C.; Mewomo, O. T.; Taba, D. A.; Ugwunnadi, G. C.
2020
Numerical homoclinic instabilities in the sine-Gordon equation. Zbl 0785.65086
Herbst, B. M.; Ablowitz, M. J.
1992
An oscillation theorem for a two-parameter system of differential equations. Zbl 0425.34035
Faierman, M.
1979
Singularly perturbed Volterra integro-differential equations. Zbl 1022.45004
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2002
Products of circulant graphs. Zbl 0744.05058
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1990
Some observations about the space of weakly continuous functions from a compact space into a Banach space. Zbl 0769.46031
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1992
Algebraic entropy of shift endomorphisms on abelian groups. Zbl 1194.37015
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2009
Completeness in fuzzy uniform spaces. Zbl 0776.54006
Burton, M. H.
1993
Some properties of Baskakov-Schurer-Szász operators via power summability methods. Zbl 1434.41013
Braha, Naim L.
2019
On the commutativity of prime rings with derivation. Zbl 0958.16036
Bell, Howard E.
1999
A new family of Lerch-type zeta functions interpolating a certain class of higher-order Apostol-type numbers and Apostol-type polynomials. Zbl 1446.11038
Kucukoğlu, Irem; Simsek, Yilmaz; Srivastava, H. M.
2019
Almost $$\eta$$-Ricci and almost $$\eta$$-Yamabe solitons with torse-forming potential vector field. Zbl 1491.35391
2022
Blow up of solutions for a nonlinear viscoelastic system with general source term. Zbl 1486.35072
Boulaaras, Salah; Bouizem, Youcef
2022
A question of Zhou, Shi and Duan on nonpower subgroups of finite groups. Zbl 07557722
Anabanti, C. S.; Aroh, A. B.; Hart, S. B.; Oodo, A. R.
2022
Some notes on orthogonally additive polynomials. Zbl 07625293
Schwanke, C.
2022
Fibonacci numbers which are concatenations of two repdigits. Zbl 1472.11067
2021
Some information measures in concomitants of generalized order statistics under iterated Farlie-Gumbel-Morgenstern bivariate type. Zbl 1467.62021
Barakat, H. M.; Husseiny, I. A.
2021
Composite outer inverses for rectangular matrices. Zbl 1458.15009
Mosić, Dijana; Stanimirović, Predrag S.
2021
Spectra of composition operators on Fock-type spaces. Zbl 07340164
Mengestie, Tesfa; Seyoum, Werkaferahu
2021
Riemann soliton within the framework of contact geometry. Zbl 1467.53053
Devaraja, M. N.; Aruna Kumara, H.; Venkatesha, V.
2021
Some inequalities for the $$(p, q)$$-mixed affine surface areas. Zbl 1471.52004
Wang, Weidong; Zhao, Xia
2021
Multiplicative generalized Lie triple derivations on generalized matrix algebras. Zbl 1487.16040
Jabeen, Aisha
2021
Rings and subrings of continuous functions with countable range. Zbl 1478.54009
Acharyya, Sudip Kumar; Bharati, Rakesh; Ray, A. Deb
2021
On best proximity points of interpolative proximal contractions. Zbl 1477.54046
Altun, Ishak; Taşdemir, Ayşenur
2021
Almost quasi-Yamabe solitons and gradient almost quasi-Yamabe solitons in paracontact geometry. Zbl 1487.53042
De, Krishnendu; De, Uday Chand
2021
On a power-type coupled system of $$k$$-Hessian equations. Zbl 1481.35182
Gao, Chenghua; He, Xingyue; Ran, Maojun
2021
Positioned numerical semigroups. Zbl 07357109
Branco, M. B.; Faria, M. C.; Rosales, J. C.
2021
Unit groups of group algebras of groups of order 20. Zbl 1476.16023
Ansari, Sheere Farhat; Sahai, Meena
2021
Remarks on normal distributive nearlattices. Zbl 1493.06002
Calomino, Ismael; González, Luciano J.
2021
About porosity of some Świątkowski functions in the space of quasi-continuous functions. Zbl 07312316
Ivanova, Gertruda; Karasińska, Aleksandra
2021
Total Roman $$\{2\}$$-domination in graphs. Zbl 1462.05274
Cabrera García, Suitberto; Cabrera Martínez, Abel; Hernández Mira, Frank A.; Yero, Ismael G.
2021
On property $$(\mathcal{A})$$ for modules over direct products of rings. Zbl 1459.13009
Bouchiba, Samir; El-Arabi, Mouhssine
2021
On the partitions into distinct parts and odd parts. Zbl 1483.11226
Merca, Mircea
2021
Repdigits base $$b$$ as products of two Lucas numbers. Zbl 1485.11031
Erduvan, Fatih; Keskin, Refik; Şiar, Zafer
2021
A new factor theorem on generalized absolute Cesàro summability. Zbl 1476.40004
Bor, Hüseyin
2021
General multiplicative Zagreb indices of trees with given independence number. Zbl 1465.05033
Balachandran, Selvaraj; Vetrík, Tomáš
2021
Primal topologies on the integers. Zbl 1469.54014
García-Ferreira, S.; Guale, A.; Vielma, J.
2021
Ricci $$\eta$$-parallel trans-Sasakian 3-manifolds. Zbl 1458.53084
Zhao, Yan
2021
Dense and $$\sigma$$-porous subsets in some families of cliquish functions. Zbl 1459.54009
Ivanova, Gertruda; Wagner-Bojakowska, Elżbieta
2021
On some probabilistic aspects of (generalized) dicyclic groups. Zbl 07312323
Lazorec, Mihai-Silviu; Tărnăuceanu, Marius
2021
On the three questions of Bertram on locally maximal sum-free sets. Zbl 07340160
Anabanti, Chimere S.
2021
Total Roman domination in digraphs. Zbl 1462.05278
Hao, Guoliang; Zhuang, Wei; Hu, Kangxiu
2021
On the Alster, Menger and $$D$$-type covering properties. Zbl 07340166
Osipov, Alexander V.; Özçağ, Selma
2021
Spectra of a discrete Sturm-Liouville problem with eigenparameter-dependent boundary conditions in Pontryagin space. Zbl 1464.39001
Gao, Chenghua; Lv, Li; Wang, Yali
2021
Einstein type tensors in the generalized Riemannian space. Zbl 1477.53044
2021
Similarity solutions and conservation laws for the Bogoyavlensky-Konopelchenko equation by Lie point symmetries. Zbl 1475.35013
Halder, Amlan K.; Leach, P. G. L.; Paliathanasis, Andronikos
2021
The Schur multiplier of a nilpotent Lie algebra with derived subalgebra of maximum dimension. Zbl 1480.17015
Johari, Farangis; Niroomand, Peyman; Shamsaki, Afsaneh
2021
The Banaschewski compactification of an approach space is of Wallman-Shanin-type. Zbl 1494.54025
Colebunders, E.; Sioen, M.
2021
Centralizers and isomorphism preservation of minimal factors of nearring modules. Zbl 1493.16057
Peterson, Gary L.; Scott, Stuart D.
2021
Relative group homology theories with coefficients and the comparison homomorphism. Zbl 1483.55002
Ariciniega-Nevárez, José Antonio; Cisneros-Molina, José Luis; Sánchez Saldaña, Luis Jorge
2021
Weak compactness of almost L-weakly and almost M-weakly compact operators. Zbl 1489.46025
Afkir, Farid; Bouras, Khalid; Elbour, Aziz; El Filali, Safae
2021
Addendum to: “Variations of classical selection principles: an overview”. Zbl 1477.54023
Kočinac, Ljubiša D. R.
2021
On Rall’s $$1/2$$-conjecture on the domination game. Zbl 1481.05109
Bujtás, Csilla; Iršič, Vesna; Klavžar, Sandi; Xu, Kexiang
2021
The powers of two as sums over partitions. Zbl 1486.11123
Merca, Mircea
2021
Double outer-independent domination number of graphs. Zbl 1481.05115
Cabrera Martínez, Abel
2021
Pseudo core inverses of a sum of morphisms. Zbl 1481.18008
Chen, Jianlong; Li, Wende; Zhou, Mengmeng
2021
Bakkari, Chahrazade; Mahdou, Najib; Riffi, Abdelkbir
2021
Iterative algorithm for a family of monotone inclusion problems in $$\mathrm{CAT}(0)$$ spaces. Zbl 07311174
Dehghan, H.; Izuchukwu, C.; Mewomo, O. T.; Taba, D. A.; Ugwunnadi, G. C.
2020
Variations of classical selection principles: an overview. Zbl 1450.54010
Kočinac, Ljubiša D. R.
2020
On a new generalized inverse for Hilbert space operators. Zbl 1492.47002
Chen, Jianlong; Mosić, Dijana; Xu, Sanzhang
2020
Certain new factor theorems for infinite series and trigonometric Fourier series. Zbl 1451.40005
Bor, Hüseyin
2020
Separation axioms and covering dimension of asymmetric normed spaces. Zbl 1479.46006
Donjuán, Victor; Jonard-Pérez, Natalia
2020
A characterization and perturbation bounds for the weighted core-EP inverse. Zbl 1458.15008
Ma, Haifeng
2020
Convergence structures in $$M$$-fuzzifying convex spaces. Zbl 1458.54006
Pang, Bin
2020
Joint discrete universality for periodic zeta-functions. II. Zbl 1457.11125
Laurinčikas, Antanas
2020
Kantorovich-Bernstein $$\alpha$$-fractal function in $$\mathcal{L}^P$$ spaces. Zbl 1436.28006
Chand, A. K. B.; Jha, Sangita; Navascués, M. A.
2020
A robust fitted numerical method for singularly perturbed turning point problems whose solution exhibits an interior layer. Zbl 1486.65077
Mbayi, Charles K.; Munyakazi, Justin B.; Patidar, Kailash C.
2020
The inner site-perimeter of compositions. Zbl 1432.05008
Blecher, Aubrey; Brennan, Charlotte; Knopfmacher, Arnold
2020
A note on the Appell matrix functions. Zbl 1435.15006
Dwivedi, Ravi; Sahai, Vivek
2020
Explicit expressions for the related numbers of higher order Appell polynomials. Zbl 1476.11039
Hu, Su; Komatsu, Takao
2020
On the signed Roman $$k$$-domination in graphs. Zbl 1452.05115
2020
On skew derivations and generalized skew derivations in Banach algebras. Zbl 1473.46050
Khan, Abdul Nadim; Ali, Shakir; Alhazmi, Husain; De Filippis, Vincenzo
2020
Solvability of infinite systems of second-order differential equations with boundary conditions in $$\ell_P$$. Zbl 1484.34062
2020
Some applications of exponentially separable spaces. Zbl 1478.54028
2020
Associated weights for spaces of $$p$$-integrable entire functions. Zbl 1489.46032
Bonet, José; Mangino, Elisabetta M.
2020
Multiplicative $$\ast$$-Jordan type higher derivations on von Neumann algebras. Zbl 07311980
2020
Spanning paths and cycles in triangle-free graphs. Zbl 1459.05043
Mafuta, P.; Mushanyu, J.
2020
The Fischer-Marsden conjecture on almost Kenmotsu manifolds. Zbl 1433.53077
De, U. C.; Mandal, Krishanu
2020
Nonlinear diameter preserving maps on function spaces. Zbl 1435.47043
Font, Juan J.; Hosseini, Maliheh
2020
On certain properties and expansions of zeta matrix function, digamma matrix function and polygamma matrix function. Zbl 1430.15007
Dwivedi, Ravi; Sahai, Vivek
2020
Blow-up of smooth solutions of the time-fractional Burgers equation. Zbl 1439.35231
Alsaedi, Ahmed; Kirane, Mokhtar; Torebek, Berikbol T.
2020
Shifted Cauchy numbers. Zbl 1444.11041
Komatsu, Takao; Pita-Ruiz, Claudio
2020
Fixed points of multi-valued relation-theoretic contractions in metric spaces and application. Zbl 1436.54041
Shukla, Satish; Rodríguez-López, Rosana
2020
Contractible Köthe co-echelon algebras. Zbl 1454.46042
Piszczek, Krzysztof
2020
Nilpotent Lie algebras having the Schur multiplier of maximum dimension. Zbl 1487.17021
Niroomand, Peyman; Shamsaki, Afsaneh
2020
On directional convexity of harmonic mappings in the plane. Zbl 1457.31003
Long, Bo-Yong; Huang, Hua-Ying
2020
Hewitt’s irresolvability and induced sublocales in spatial frames. Zbl 1484.06035
Baboolal, Dharmanand; Picado, Jorge; Pillay, Paranjothi; Pultr, Aleš
2020
Recent progress in rings and subrings of real valued measurable functions. Zbl 1465.54014
Acharyya, Soumyadip; Acharyya, Sudip Kumar; Bag, Sagarmoy; Sack, Joshua
2020
On the $$\mathcal{F}\Phi$$-hypercentral subgroups of finite groups. Zbl 1471.20012
Bao, Hongwei; Miao, Long; Shi, Huaguo; Zhang, Jia
2020
Trivial extensions subject to semi-regularity and semi-coherence. Zbl 1431.13013
2020
A note on the Littlewood conjecture in positive characteristic. Zbl 1436.11081
2020
Arithmetic properties for two restricted partitions modulo powers of 5. Zbl 07185468
Tang, Dazhao
2020
Some identities involving Appell polynomials. Zbl 1443.05019
Mihoubi, Miloud; Taharbouchet, Said
2020
A note on generalized skew-derivations on multilinear polynomials in prime rings. Zbl 1437.16039
Dhara, Basudeb
2020
Almost cosympletic statistical manifolds. Zbl 1435.53027
Erken, İrem Küpeli; Murathan, Cengizhan; Yazla, Aziz
2020
Nonlinear maps preserving Drazin invertible operators of bounded index. Zbl 1441.47049
2020
$$\psi$$-weighted Cauchy-Riemann operators and some associated integral representation. Zbl 1439.30073
Ariza, Eusebio; Di Teodoro, Antonio; Vanegas, Carmen Judith
2020
The ($$p, q, r$$)-generations of the alternating group $$A_{10}$$. Zbl 1442.20004
Basheer, Ayoub B. M.; Seretlo, Thekiso
2020
A geometric representation of integral solutions of $$x^2 + xy + y^2 = m^2$$. Zbl 1481.11028
Halbeisen, Lorenz; Hungerbühler, Norbert
2020
Upper and lower bounds for the blow-up time for a viscoelastic wave equation with dynamic boundary conditions. Zbl 1450.35082
Liu, Wenjun; Zhu, Biqing; Li, Gang
2020
Comparison between Szeged indices of graphs. Zbl 1450.05011
Das, Kinkar Chandra; Ashrafi, A. R.; Ghalavand, A.
2020
Extension of projection mappings. Zbl 1461.46057
2020
A question about higher order z-ideals in commutative rings. Zbl 1445.13004
Benhissi, A.; Maatallah, A.
2020
Large characteristic subgroups and abstract group classes. Zbl 1457.20024
de Giovanni, Francesco; Trombetti, Marco
2020
Infinitely many solutions for impulsive fractional differential equations through variational methods. Zbl 1460.34012
Gao, Dongdong; Li, Jianli
2020
A new study on generalized absolute Cesàro summability methods. Zbl 1468.40004
Bor, Hüseyin
2020
Blending type approximation by bivariate generalized Bernstein type operators. Zbl 1459.41004
Baxhaku, Behar; Kajla, Arun
2020
Almost Jordan homomorphisms on Fréchet algebras. Zbl 1462.46059
Omidi, M. R.; Oulfatian, B.; Zivari-Kazempour, A.
2020
Absolute matrix summability via almost increasing sequence. Zbl 1468.40005
Seyhan Özarslan, Hikmet; Kartal, Bagdagul
2020
On the Fourier algebra of certain hypergroups. Zbl 07311134
Manjegani, Seyed Mahmoud; Farsani, Jafar Soltani
2020
On numbers divisible by the product of their nonzero base $$b$$ digits. Zbl 1484.11021
Sanna, Carlo
2020
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### Cited by 4,220 Authors

 47 Henning, Michael Anthony 33 Leach, Peter Gavin Lawrence 31 Jäger, Gunther 31 Picado, Jorge 29 Dube, Themba 29 Mewomo, Oluwatosin Temitope 26 Mansour, Toufik 26 Mosić, Dijana 24 Pultr, Aleš 23 Chu, Yuming 23 Veldsman, Stefan 22 Abd-Elhameed, Waleed Mohamed 22 Groenewald, Nico Johannes 22 Gutiérrez García, Javier 22 Pang, Bin 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. 15 Dikranjan, Dikran N. 15 Everitt, William Norrie 15 Fang, Jinming 15 Grobler, Jacobus J. 15 Porst, Hans-Eberhard 15 Rashid, Saima 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 Sun, Jiong 13 van der Walt, Jan Harm 12 De, Uday Chand 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 Shi, Fu-Gui 12 Youssri, Youssri H. 11 Et, Mikail 11 Hartnell, Bert L. 11 Jin, Qiu 11 Knopfmacher, Arnold 11 Mouton, Sonja 11 Romaguera Bonilla, Salvador 11 Street, Ross H. 11 Valero, Oscar 11 Yang, Hongwei 10 Băleanu, Dumitru I. 10 Bonet Solves, José 10 Burton, M. H. 10 Davila, Randy Ryan 10 Ighedo, Oghenetega 10 Jolaoso, Lateef Olakunle 10 Kwon, Kil Hyun 10 Kyrchei, Ivan I. 10 Mursaleen, Mohammad 10 Plummer, Michael D. 10 Popa, Dumitru 10 Prins, Abraham Love 10 Seoane-Sepúlveda, Juan Benigno 10 Šostak, Alexander P. 10 van Wyk, Leon 9 Alderton, Ian W. 9 Ali, Faryad 9 Brown, Jason Ira 9 Brümmer, Guillaume C. L. 9 Chen, Jianlong 9 Cross, Ronald 9 Erné, Marcel 9 Estaji, Ali Akbar 9 Govinder, Keshlan Sathasiva 9 Lowen, Robert 9 Moshier, M. Andrew ...and 4,120 more Authors
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### Cited in 564 Journals

 332 Quaestiones Mathematicae 226 Topology and its Applications 168 Journal of Mathematical Analysis and Applications 165 Fuzzy Sets and Systems 93 Communications in Algebra 80 Journal of Pure and Applied Algebra 77 Applied Categorical Structures 65 Discrete Mathematics 60 Discrete Applied Mathematics 53 Filomat 53 Positivity 49 Journal of Computational and Applied Mathematics 44 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 41 Bulletin of the Australian Mathematical Society 38 Mediterranean Journal of Mathematics 37 Rocky Mountain Journal of Mathematics 37 Acta Mathematica Hungarica 36 Linear and Multilinear Algebra 36 Applied Mathematics and Computation 35 Proceedings of the American Mathematical Society 35 Advances in Difference Equations 34 Algebra Universalis 33 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 32 Journal of Algebra and its Applications 31 Results in Mathematics 30 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 28 Cahiers de Topologie et Géométrie Différentielle Catégoriques 27 Monatshefte für Mathematik 27 Linear Algebra and its Applications 26 Abstract and Applied Analysis 24 Bulletin of the Iranian Mathematical Society 23 Archiv der Mathematik 23 Journal of Inequalities and Applications 23 AIMS Mathematics 22 Indagationes Mathematicae. New Series 21 Journal of Algebra 21 Journal of Functional Analysis 20 Computational and Applied Mathematics 20 Turkish Journal of Mathematics 19 Journal of Approximation Theory 19 Mathematica Slovaca 19 Soft Computing 19 Hacettepe Journal of Mathematics and Statistics 18 Journal of Mathematical Physics 18 Czechoslovak Mathematical Journal 18 Communications in Nonlinear Science and Numerical Simulation 17 Transactions of the American Mathematical Society 17 Afrika Matematika 17 Journal of Mathematics 17 Journal of Function Spaces 17 Open Mathematics 16 Indian Journal of Pure & Applied Mathematics 16 Mathematische Nachrichten 16 Rendiconti del Circolo Matemàtico di Palermo. Serie II 15 Computers & Mathematics with Applications 15 Glasgow Mathematical Journal 15 International Journal of Mathematics and Mathematical Sciences 15 Asian-European Journal of Mathematics 14 Periodica Mathematica Hungarica 14 The Ramanujan Journal 14 Journal of Combinatorial Optimization 14 Applied General Topology 13 Applicable Analysis 13 Journal of Differential Equations 13 Journal of Number Theory 13 Order 13 Fractals 13 Acta Mathematica Sinica. English Series 12 Chaos, Solitons and Fractals 12 Numerical Functional Analysis and Optimization 12 Proceedings of the Edinburgh Mathematical Society. Series II 12 Journal of Mathematical Sciences (New York) 12 Central European Journal of Mathematics 12 Iranian Journal of Fuzzy Systems 12 Banach Journal of Mathematical Analysis 12 Palestine Journal of Mathematics 12 Advances in Operator Theory 11 Mathematical Methods in the Applied Sciences 11 Mathematical Notes 11 Theoretical Computer Science 11 Graphs and Combinatorics 11 The Electronic Journal of Combinatorics 11 Discussiones Mathematicae. Graph Theory 11 Kragujevac Journal of Mathematics 11 Boundary Value Problems 10 Advances in Mathematics 10 Annali di Matematica Pura ed Applicata. Serie Quarta 10 Information Sciences 10 Integral Equations and Operator Theory 10 Semigroup Forum 10 Acta Applicandae Mathematicae 10 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 10 Mathematical Problems in Engineering 10 Journal of the Australian Mathematical Society 10 Discrete Mathematics, Algorithms and Applications 9 Mathematische Zeitschrift 9 Aequationes Mathematicae 9 International Journal of Computer Mathematics 9 Journal of Difference Equations and Applications 9 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics ...and 464 more Journals
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### Cited in 63 Fields

 883 General topology (54-XX) 735 Functional analysis (46-XX) 601 Operator theory (47-XX) 462 Combinatorics (05-XX) 444 Category theory; homological algebra (18-XX) 378 Associative rings and algebras (16-XX) 377 Order, lattices, ordered algebraic structures (06-XX) 360 Ordinary differential equations (34-XX) 205 Number theory (11-XX) 196 Group theory and generalizations (20-XX) 188 Partial differential equations (35-XX) 161 Numerical analysis (65-XX) 153 Special functions (33-XX) 151 Real functions (26-XX) 149 Mathematical logic and foundations (03-XX) 137 Linear and multilinear algebra; matrix theory (15-XX) 105 Measure and integration (28-XX) 103 Computer science (68-XX) 86 Commutative algebra (13-XX) 86 Approximations and expansions (41-XX) 86 Differential geometry (53-XX) 85 Harmonic analysis on Euclidean spaces (42-XX) 85 Probability theory and stochastic processes (60-XX) 79 Dynamical systems and ergodic theory (37-XX) 78 Sequences, series, summability (40-XX) 78 Algebraic topology (55-XX) 76 Fluid mechanics (76-XX) 61 Functions of a complex variable (30-XX) 57 Difference and functional equations (39-XX) 53 Nonassociative rings and algebras (17-XX) 51 General algebraic systems (08-XX) 46 Convex and discrete geometry (52-XX) 45 Biology and other natural sciences (92-XX) 41 Integral equations (45-XX) 37 Topological groups, Lie groups (22-XX) 37 Global analysis, analysis on manifolds (58-XX) 36 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 35 Operations research, mathematical programming (90-XX) 34 Systems theory; control (93-XX) 30 Calculus of variations and optimal control; optimization (49-XX) 30 Mechanics of particles and systems (70-XX) 25 Algebraic geometry (14-XX) 23 Mechanics of deformable solids (74-XX) 23 Classical thermodynamics, heat transfer (80-XX) 20 Statistics (62-XX) 20 Information and communication theory, circuits (94-XX) 19 Manifolds and cell complexes (57-XX) 18 Quantum theory (81-XX) 16 Abstract harmonic analysis (43-XX) 13 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) 8 Potential theory (31-XX) 8 Statistical mechanics, structure of matter (82-XX) 7 Integral transforms, operational calculus (44-XX) 4 Mathematics education (97-XX) 3 Astronomy and astrophysics (85-XX) 2 Optics, electromagnetic theory (78-XX) 1 $$K$$-theory (19-XX)