LATEST ARTICLES

This page lists 20 of the articles most recently published on nisc.co.za. Please note that you can also browse by journal or use the search function above. Subscribe to your favourite journals and be the first to know about new articles for it.

A note of 2-rainbow edge domination numbers of graphs

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Yu Yang , et al.
Keywords: 05C69, 2-rainbow edge domination number, Roman {2}-edge domination number, edge domination number, trees
Pages: 731–746
Article Views: 67
View Abstract

Composition operators on the weighted BMOA spaces with closed range

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Rikio Yoneda , et al.
Keywords: Primary: Primary: 47B38, Secondary: Secondary: 30D05, Composition operator, the weighted Dirichlet spaces, BMOAα , BMOA, Bloch space, Bergman space, Hardy space, closed range, bounded below
Pages: 747–756
Article Views: 66
View Abstract

Fractional counterpart of third order abstract Cauchy problems and maximal accretive operators

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Mohammed Benharrat , et al.
Keywords:
Pages: 757–776
Article Views: 72
View Abstract

Weyl double-measure pseudo almost periodic functions and Weyl double-measure pseudo almost periodic solutions to semilinear evolution equations

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Yongkun Li , et al.
Keywords: 34G20, 43A60, 34C27, Weyl double-measure pseudo almost periodic function, Weyl double-measure pseudo almost periodic solution, global exponential stability
Pages: 777–799
Article Views: 64
View Abstract

Effects of nonlocal source terms on Kirchhoff-type double phase equations with variable exponents: Existence of three distinct solutions

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Khaled Kefi , et al.
Keywords: 35J60, 35D30, 35J70, 35A15, 03H10, Kirchhoff-type double phase problems, nonlocal source terms, variable exponents, Musielak-Orlicz Sobolev spaces, critical point theory
Pages: 801–821
Article Views: 25
View Abstract

Cauchy approachable functions and spaces

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Pratulananda Das , et al.
Keywords: Primary: Primary: 54D20, Secondary: Secondary: 54C30, 54A25, Cauchy approachable function, uniformly approachable function, Cauchy regular function, Cauchy approachable space, uniformly approachable space, complete space
Pages: 823–841
Article Views: 31
View Abstract

A blind signature scheme based on new cyclic groups

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Elahe Mehraban , et al.
Keywords: Primary: Primary: 11B39, 20F05, Secondary: Secondary: 20D60, 68R01, 68P30, Period, Fibonacci sequence, Lehmer sequence, Mersenne sequence, blind signature
Pages: 843–856
Article Views: 33
View Abstract

Delta-shocks and vacuums as flux-approximation limit of solutions to the Aw-Rascle model with time-dependent source

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 6, 03 June 2026
Author(s): Mengqi Cui , et al.
Keywords: 35L65, 35L67, 76N10, Aw-Rascle traffic flow model, generalized Chaplygin gas, delta shock wave, flux-approximation limit, numerical simulations
Pages: 857–890
Article Views: 25
View Abstract

One-sided Drazin invertibility in Banach algebras and perturbations of B-Fredholm spectra

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 5, 04 May 2026
Author(s): Kai Yan , et al.
Keywords: 15A09, 47A53, 47A55, Left (generalized) Drazin inverse, right (generalized) Drazin inverse, B-Fredholm operators, perturbations
Pages: 591–618
Article Views: 111
View Abstract

The Frank graph

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 5, 04 May 2026
Author(s): Efruz Ă–zlem Mersin , et al.
Keywords: 05C20, 05C22, 05C50, Frank graph, Frank matrix, spectral radius, weighted digraph
Pages: 619–639
Article Views: 114
View Abstract

On asymptotically almost periodic mild solutions of chemotaxis-fluid systems on bounded domains

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 5, 04 May 2026
Author(s): Dam Thi Ngoc Van , et al.
Keywords: 35A01, 35Q92, 35Q35, 92C17, Chemotaxis models, Navier-Stokes equations, dispersive (and smoothing) estimates, almost periodic and asymptotically almost periodic functions, well-posedness, exponential stability
Pages: 641–670
Article Views: 111
View Abstract

On the {2}-domination number of rooted product graphs

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 5, 04 May 2026
Author(s): A. Cabrera-MartĂ­nez , et al.
Keywords: Mathematics Subject Classification (2020): 05C69, 05C76, {2}-domination number, domination number, rooted product graphs
Pages: 671–691
Article Views: 102
View Abstract

Existence and uniqueness of solution to a class of nonlinear variable fractional-order wave equations

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 5, 04 May 2026
Author(s): Shuhua Wang , et al.
Keywords: 35A01, 35A02, 35R11, 65M12, Variable-order fractional derivative, wave equation, Rothe’s discretization, existence and uniqueness
Pages: 693–711
Article Views: 64
View Abstract

Some scattering and spectral properties of eigenparameter dependent quantum difference equations with matrix value impulsive conditions

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 5, 04 May 2026
Author(s): Güher Gülçehre Özbey , et al.
Keywords: Mathematics Subject Classification (2020): 34L25, 34L05, 39A13, 39A70, 39A05, 47B39, Quantum difference equation, scattering function, impulsive condition, resolvent operator
Pages: 713–730
Article Views: 55
View Abstract

Nehari manifold approach for a singular multi-phase variable exponent problem

Published in : Quaestiones Mathematicae, Journal Volume 49, Issue 5, 04 May 2026
Author(s): Mustafa Avci , et al.
Keywords: 35A01, 35A15, 35D30, 35J66, 35J75, Multi-phase problem, variable singularity, Hardy-type potential, Nehari manifold approach, positive-negative energy level, Musielak-Orlicz Sobolev space, fluid flow in heterogeneous porous medium
Pages: 569–589
Article Views: 71
View Abstract

With an Effluent Eye: Migrancy, Excess, and Belonging in Jane Bryce’s Zamani

Published in : Eastern African Literary and Cultural Studies, Journal Volume 12, Issue 1, 02 January 2026
Author(s): Sam Dennis Otieno , et al.
Keywords: effluence, excess, memory, colonial-capitalism, nation-state, East Africa
Pages: 13–26
Article Views: 147
View Abstract

Choiceless Choices: Constructing the Female Child’s Body in Tola Rotimi Abraham’s Black Sunday

Published in : Eastern African Literary and Cultural Studies, Journal Volume 12, Issue 1, 02 January 2026
Author(s): Dalitsani Lucy Anselmo , et al.
Keywords: choiceless choices, tacit subject, female fear factory, objectification, patriarchy
Pages: 27–41
Article Views: 169
View Abstract

The Body as a Site for Marginalization and Violence in Ebrahim Hussein’s Kinjeketile (1969)

Published in : Eastern African Literary and Cultural Studies, Journal Volume 12, Issue 1, 02 January 2026
Author(s): Maryline Chepngetich Kirui , et al.
Keywords: marginalization, violence, power, the other, the body
Pages: 42–56
Article Views: 176
View Abstract

Cognitive Narratology and Disability in Taha Hussein’s Canonical Literary Works

Published in : Eastern African Literary and Cultural Studies, Journal Volume 12, Issue 1, 02 January 2026
Author(s): Shahd Alshammari , et al.
Keywords: disability, Arabic literature, Taha Hussein, autobiography, blindness
Pages: 57–68
Article Views: 195
View Abstract

Archipelago, Sedimentation, Drift: Reading African Literature with the Ocean

Published in : Eastern African Literary and Cultural Studies, Journal Volume 12, Issue 1, 02 January 2026
Author(s): Tina Steiner , et al.
Keywords:
Pages: 1–12
Article Views: 61
View Abstract