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A note of 2-rainbow edge domination numbers of graphs
Published in :
Quaestiones Mathematicae, Journal Volume 49, Issue
6, 03 June 2026
Author(s):
Keywords:
05C69, 2-rainbow edge domination number, Roman {2}-edge domination number, edge domination number, trees
Pages: 731–746
Article Views:
67
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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):
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
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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):
Keywords:
Pages: 757–776
Article Views:
72
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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):
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
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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):
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
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Abstract
Cauchy approachable functions and spaces
Published in :
Quaestiones Mathematicae, Journal Volume 49, Issue
6, 03 June 2026
Author(s):
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
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Abstract
A blind signature scheme based on new cyclic groups
Published in :
Quaestiones Mathematicae, Journal Volume 49, Issue
6, 03 June 2026
Author(s):
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
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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):
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
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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):
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
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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):
Keywords:
15A09, 47A53, 47A55, Left (generalized) Drazin inverse, right (generalized) Drazin inverse, B-Fredholm operators, perturbations
Pages: 591–618
Article Views:
111
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Abstract
The Frank graph
Published in :
Quaestiones Mathematicae, Journal Volume 49, Issue
5, 04 May 2026
Author(s):
Keywords:
05C20, 05C22, 05C50, Frank graph, Frank matrix, spectral radius, weighted digraph
Pages: 619–639
Article Views:
114
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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):
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
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Abstract
On the {2}-domination number of rooted product graphs
Published in :
Quaestiones Mathematicae, Journal Volume 49, Issue
5, 04 May 2026
Author(s):
Keywords:
Mathematics Subject Classification (2020): 05C69, 05C76, {2}-domination number, domination number, rooted product graphs
Pages: 671–691
Article Views:
102
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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):
Keywords:
35A01, 35A02, 35R11, 65M12, Variable-order fractional derivative, wave equation, Rothe’s discretization, existence and uniqueness
Pages: 693–711
Article Views:
64
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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):
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
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Abstract
Investigating author impact in South African interpreting research
Published in :
Southern African Linguistics and Applied Language Studies, Journal Volume 44, Issue
2, 03 April 2026
Author(s):
Keywords:
Pages: 268–279
Article Views:
122
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Abstract
Exploring teachers’ views on factors affecting the teaching of mother tongue: the case of Afaan Oromo
Published in :
Southern African Linguistics and Applied Language Studies, Journal Volume 44, Issue
2, 03 April 2026
Author(s):
Keywords:
Pages: 280–298
Article Views:
94
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Abstract
An examination of the phonetic and phonological influence on stuttering in bilingual third-year students at the International University of Management
Published in :
Southern African Linguistics and Applied Language Studies, Journal Volume 44, Issue
2, 03 April 2026
Author(s):
Keywords:
Pages: 299–314
Article Views:
105
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Abstract
Iqhaza elibanjwa ukuxuba izilimi emakilasini anabafundi abamnyama abakhuluma izilimi ezehlukene emabangeni 10-12 esifundazweni iKwaZulu-Natali
Published in :
Southern African Linguistics and Applied Language Studies, Journal Volume 44, Issue
2, 03 April 2026
Author(s):
Keywords:
Pages: 315–333
Article Views:
95
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Abstract
A move structure analysis of cover letters produced by South African students
Published in :
Southern African Linguistics and Applied Language Studies, Journal Volume 44, Issue
2, 03 April 2026
Author(s):
Keywords:
Pages: 334–348
Article Views:
89
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Abstract