Efthymios N. Karatzas

Publication Activity (10 Years)

Years Active: 2019-2024
Publications (10 Years): 18

Top Topics

Monte Carlo Methods

Error Estimates

Top Venues

Comput. Math. Appl.

J. Sci. Comput.

SIAM J. Numer. Anal.

Publications

Efthymios N. Karatzas
Boundary and distributed optimal control for a population dynamics PDE model with discontinuous in time Galerkin FEM schemes. CoRR (2024)
Efthymios N. Karatzas
Boundary and distributed optimal control for a population dynamics PDE model with discontinuous in time Galerkin FEM schemes. Comput. Math. Appl. 165 (2024)
Efthymios N. Karatzas, Giovanni Stabile, Francesco Ballarin, Gianluigi Rozza
Reduced Basis, Embedded Methods and Parametrized Levelset Geometry. CoRR (2023)
Efthymios N. Karatzas
hp-version analysis for arbitrarily shaped elements on the boundary discontinuous Galerkin method for Stokes systems. CoRR (2023)
Aikaterini Aretaki, Efthymios N. Karatzas, Georgios Katsouleas
Equal Higher Order Analysis of an Unfitted Discontinuous Galerkin Method for Stokes Flow Systems. J. Sci. Comput. 91 (2) (2022)
Efthymios N. Karatzas, Monica Nonino, Francesco Ballarin, Gianluigi Rozza
A Reduced Order Cut Finite Element method for geometrically parametrized steady and unsteady Navier-Stokes problems. Comput. Math. Appl. 116 (2022)
Aikaterini Aretaki, Efthymios N. Karatzas
Random geometries for optimal control PDE problems based on fictitious domain FEMs and cut elements. J. Comput. Appl. Math. 412 (2022)
Xianyi Zeng, Giovanni Stabile, Efthymios N. Karatzas, Guglielmo Scovazzi, Gianluigi Rozza
Embedded domain Reduced Basis Models for the shallow water hyperbolic equations with the Shifted Boundary Method. CoRR (2022)
Efthymios N. Karatzas, Gianluigi Rozza
A Reduced Order Model for a Stable Embedded Boundary Parametrized Cahn-Hilliard Phase-Field System Based on Cut Finite Elements. J. Sci. Comput. 89 (1) (2021)
Aikaterini Aretaki, Efthymios N. Karatzas
Random geometries and Quasi Monte Carlo methods for optimal control PDE problems based on fictitious domain FEMS and cut elements. CoRR (2020)
Georgios Katsouleas, Efthymios N. Karatzas, Fotios Travlopanos
Cut finite element error estimates for a class of nonlinear elliptic PDEs. CoRR (2020)
Georgios Katsouleas, Efthymios N. Karatzas, Aikaterini Aretaki
Equal higher order analysis of an unfitted discontinuous Galerkin method for Stokes flow systems. CoRR (2020)
Georgios Katsouleas, Efthymios N. Karatzas, Fotios Travlopanos
Discrete Empirical Interpolation and unfitted mesh FEMs: application in PDE-constrained optimization. CoRR (2020)
Efthymios N. Karatzas, Monica Nonino, Francesco Ballarin, Gianluigi Rozza
A Reduced Order Cut Finite Element method for geometrically parameterized steady and unsteady Navier-Stokes problems. CoRR (2020)
Efthymios N. Karatzas, Gianluigi Rozza
A Reduced Order Model for a stable embedded boundary parametrized Cahn-Hilliard phase-field system based on cut finite elements. CoRR (2020)
Efthymios N. Karatzas, Francesco Ballarin, Gianluigi Rozza
Projection-based reduced order models for a cut finite element method in parametrized domains. Comput. Math. Appl. 79 (3) (2020)
Konstantinos Chrysafinos, Efthymios N. Karatzas, Dimitrios Kostas
Stability and Error Estimates of Fully Discrete Schemes for the Brusselator System. SIAM J. Numer. Anal. 57 (2) (2019)
Efthymios N. Karatzas, Giovanni Stabile, Léo Nouveau, Guglielmo Scovazzi, Gianluigi Rozza
A Reduced-Order Shifted Boundary Method for Parametrized incompressible Navier-Stokes equations. CoRR (2019)