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1
Content available Numerical and theoretical analysis of an awareness COVID-19 epidemic model via generalized Atangana-Baleanu fractional derivative
Baba Isa Abdullahi, Ahmed Idris, Al-Mdallal Qasem M, Jarad Fahd, Yunusa Salisu
Journal of Applied Mathematics and Computational Mechanics
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2022
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Vol. 21, nr 1
7--18
EN
In this paper, a COVID-19 Awareness model in the setting of a generalized fractional Atangana-Baleanu derivative is proposed. The existence and uniqueness of a solution of the proposed fractional-order model are investigated under the techniques of fixed point theorems. In addition, we perform the predictor-corrector method to find its numeric solutions and present the graphs of the various solutions using different values of the parameters embodied in the derivative.
2
Content available Existence and uniqueness of solutions for nonlinear Katugampola fractional differential equations
Basti Bilal, Arioua Yacine, Benhamidouche Nouredine
Journal of Mathematics and Applications
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2019
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Vol. 42
35--61
EN
The present paper deals with the existence and uniqueness of solutions for a boundary value problem of nonlinear fractional differential equations with Katugampola fractional derivative. The main results are proved by means of Guo-Krasnoselskii and Banach fixed point theorems. For applications purposes, some examples are provided to demonstrate the usefulness of our main results.
3
Content available remote On an open problem of Xiao-Bin Zhang and Jun-Feng Xu
Majumder S.
Demonstratio Mathematica
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2016
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Vol. 49, nr 2
161--182
EN
The purpose of the paper is to study the uniqueness of meromorphic functions sharing a nonzero polynomial. The results of the paper improve and generalize the recent results due to X. B. Zhang and J. F. Xu [19]. We also solve an open problem as posed in the last section of [19].
4
Content available remote Modeling and Analysis of the Motivations of Fast Fashion Consumers in Relation to Innovativeness
Saricam C., Erdumlu N.
Autex Research Journal
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2016
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Vol. 16, no. 4
205--213
EN
In this study, fast fashion concept is investigated in order to understand the motivations of the consumers that make them adopt these products because of their willingness for the innovativeness. The relationship between the motivational factors which were named as “Social or status image” and “Uniqueness” as expressions of individuality, “Conformity” and the willingness for “Innovativeness” is analyzed using a conceptual model. Exploratory factor analysis, confirmatory factor analysis and structural equation modeling were used to analyze and validate the model. The data used for the study was obtained from 244 people living in Turkey. The findings showed that the motivational factors “Social or status image” and “Uniqueness” as expressions of individuality are influential on the consumers’ willingness for “Innovativeness”.
5
Content available remote On some fundamental aspects of certain sum-difference equations
Pachpatte B. G.
Fasciculi Mathematici
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2009
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Nr 41
119-134
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