Some new bounds on the spectral radius of nonnegative matrices M Adam, D Aggeli, A Aretaki AIMS Mathematics 5 (1), 701-716, 2019 | 8 | 2019 |
The k-rank numerical radii A Aretaki, J Maroulas Annals of Functional Analysis 3 (1), 100-108, 2012 | 8 | 2012 |
Sharp bounds for eigenvalues of the generalized k, m-step Fibonacci matrices M Adam, A Aretaki Proceedings of the 3rd International Conference on Numerical Analysis and …, 2018 | 6 | 2018 |
Approximation of the numerical range of polynomial operator matrices M ADAM, A ARETAKI, A MUHAMMAD Oper. Matrices 15 (3), 1073-1087, 2021 | 5 | 2021 |
On the rank-k numerical range of matrices polynomials A Aretaki, J Maroulas The Electronic Journal of Linear Algebra 27, 809-820, 2014 | 5 | 2014 |
The higher rank numerical range of matrix polynomials A Aretaki, J Maroulas arXiv preprint arXiv:1104.1341, 2011 | 5 | 2011 |
Random geometries for optimal control PDE problems based on fictitious domain FEMS and cut elements A Aretaki, EN Karatzas Journal of Computational and Applied Mathematics 412, 114286, 2022 | 4 | 2022 |
The envelope of tridiagonal Toeplitz matrices and block-shift matrices A Aretaki, P Psarrakos, M Tsatsomeros Linear Algebra and its Applications 532, 60-85, 2017 | 4 | 2017 |
The higher rank numerical range of nonnegative matrices A Aretaki, I Maroulas Central European Journal of Mathematics 11, 435-446, 2013 | 4 | 2013 |
Investigating the numerical range and q-numerical range of non square matrices A Aretaki, J Maroulas Opuscula Mathematica 31 (3), 303-315, 2011 | 4 | 2011 |
Elliptical higher rank numerical range of some Toeplitz matrices M Adam, A Aretaki, IM Spitkovsky Linear Algebra and its Applications 549, 256-275, 2018 | 3 | 2018 |
Equal higher order analysis of an unfitted discontinuous Galerkin method for Stokes flow systems A Aretaki, EN Karatzas, G Katsouleas Journal of Scientific Computing 91 (2), 48, 2022 | 2 | 2022 |
Sequences of lower and upper bounds for the spectral radius of a nonnegative matrix M Adam, I Oikonomou, A Aretaki Linear Algebra and its Applications 667, 165-191, 2023 | 1 | 2023 |
On the envelope of some classes of 3 by 3 matrices A Aretaki, C Chorianopoulos Applied Mathematics and Computation 430, 127271, 2022 | 1 | 2022 |
Bounds for the spectral radius of nonnegative matrices and generalized Fibonacci matrices M Adam, A Aretaki Special Matrices 10 (1), 308-326, 2022 | 1 | 2022 |
Investigating the numerical range of non square matrices A Aretaki, J Maroulas arXiv preprint arXiv:0904.4325, 2009 | 1 | 2009 |
Random geometries and Quasi Monte Carlo methods for optimal control PDE problems based on fictitious domain FEMS and cut elements. A Aretaki, EN Karatzas CoRR, 2020 | | 2020 |
Envelope: Localization for the Spectrum of a Matrix M Adam, K Aretaki, P Psarrakos, M Tsatsomeros Book of Abstracts, 27, 2018 | | 2018 |
MR3016314 (Review) 15A60 (65F35) A Aretaki, I Maroulas Cent. Eur. J. Math 11 (3), 435-446.1644, 2013 | | 2013 |
The Numerical Range and q-Numerical Range of Non Square Matrices A Aretaki, J Maroulas | | 2009 |