Guy Degla

Robust Finite Difference Method for Singularly Perturbed Two-Parameter Parabolic Convection-Diffusion Problems

Tesfaye Aga Bullo, Gemechis File Duressa, Guy Degla · International Journal of Computational Methods · 2020 · 38 citations

Numerical Analysis, Method Of Fundamental Solution, Numerical Computation +8

An overview of semi-continuity results on the spectral radius and positivity

Guy Degla · Journal of Mathematical Analysis and Applications · 2007 · 36 citations

Spectral Theory, Topological Semigroups, Engineering +8

Controllability for some partial functional integrodifferential equations with nonlocal conditions in Banach spaces

Guy Degla, Khalil Ezzinbi, Patrice Ndambomve · Discussiones Mathematicae Differential Inclusions Control and Optimization · 2015 · 27 citations

Banach Spaces, Resolvent Kernel, Calculus Of Variation +4

Accelerated fitted operator finite difference method for singularly perturbed parabolic reaction-diffusion problems

Tesfaye Aga Bullo, Gemechis File Duressa, Guy Degla · Computational methods for differential equations · 2021 · 26 citations · Full text

Numerical Analysis, Spectral Theory, Method Of Fundamental Solution +10

Uniformly convergent higher-order finite difference scheme for singularly perturbed parabolic problems with non-smooth data

Tesfaye Aga Bullo, Guy Degla, Gemechis File Duressa · Journal of Applied Mathematics and Computational Mechanics · 2021 · 19 citations · Full text

Numerical Analysis, Applied Mathematical Modelling, Numerical Computation +12