Georgios Katsouleas

Discrete Empirical Interpolation and unfitted mesh FEMs: application in PDE-constrained optimization

F. Travlopanos, E. Karatzas, Georgios Katsouleas, 2020, Optimization.

Equal Higher Order Analysis of an Unfitted Discontinuous Galerkin Method for Stokes Flow Systems

E. Karatzas, Georgios Katsouleas, Aikaterini Aretaki, 2020, Journal of Scientific Computing.

A note on the boundary of the Birkhoff-James ε-orthogonality sets

P. Psarrakos, Georgios Katsouleas, Vasiliki Panagakou, 2022, The Electronic Journal of Linear Algebra.

Block imbedding and interlacing results for normal matrices

J. Maroulas, Georgios Katsouleas, 2016 .

The imbeddability for hermitian and normal matrices

J. Maroulas, Georgios Katsouleas, 2013 .

Variational characterizations for eigenfunctions of analytic self-adjoint operator functions

J. Maroulas, Georgios Katsouleas, 2013 .

Diagonal imbeddings in a normal matrix

John Maroulas, Georgios Katsouleas, J. Maroulas, 2013, Appl. Math. Comput..

Interaction between Hermitian and normal imbeddings

John Maroulas, Georgios Katsouleas, J. Maroulas, 2014, Appl. Math. Comput..