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91 papers
The Quaternionic Moment Problem
R. Ben Taher, K. Schmüdgen, E. H. Zerouali
In this paper we develop an approach to the full quaternionic moment problem. We define a hierarchy , $k\in \mathbb{N}_…
The Regional Boundary Reconstruction Problem of the Initial State for Fractional Semilinear Systems
Khalid Zguaid, Fatima Zahrae El Alaoui, Delfim F. M. Torres
Observability is a fundamental concept in control theory. Its primary purpose is to look into whether it is possible to reconstruct the system's initial state using only the inform…
Actuarial Analysis of an Infectious Disease Insurance based on an SEIARD Epidemiological Model
Achraf Zinihi, Matthias Ehrhardt, Moulay Rchid Sidi Ammi
The growing number of infectious disease outbreaks, like the one caused by the SARS-CoV-2 virus, underscores the necessity of actuarial models that can adapt to epidemic-driven ris…
Generating Asymmetric Einstein-Podolsky-Rosen Steering between Two movable Mirrors Exploiting Correlated-Emission Laser
Jamal El Qars, Ismail Essaoudi, Abdelmajid Ainane
Quantum steering is a form of quantum correlation that exhibits an inherent asymmetry, distinguishing it from entanglement and Bell nonlocality. It is now understood that quantum s…
W-shaped Broadband Attenuation of Longitudinal Waves through Composite Elastic Metamaterial
B. Lemkalli, K. K. Dudek, M. Kadic +4
We investigate a composite elastic meta-slab with exceptional transmission properties, particularly the presence of a W-shaped bandgap. A comprehensive study, utilizing experimenta…
Fractional differential equations of a reaction-diffusion SIR model involving the Caputo-fractional time-derivative and a nonlinear diffusion operator
Achraf Zinihi, Moulay Rchid Sidi Ammi, Delfim F. M. Torres
The main aim of this study is to analyze a fractional parabolic SIR epidemic model of a reaction-diffusion, by using the nonlocal Caputo fractional time-fractional derivative and e…