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NIKOS BARAKITIS
NIKOS BARAKITIS
Post doc researcher
Verificeret mail på aueb.gr
Titel
Citeret af
Citeret af
År
Preconditioners for fractional diffusion equations based on the spectral symbol
N Barakitis, SE Ekström, P Vassalos
Numerical Linear Algebra with Applications 29 (5), e2441, 2022
312022
A policy iteration algorithm for the American put option and free boundary control problems
EF Magirou, P Vassalos, N Barakitis
Journal of Computational and Applied Mathematics 373, 112544, 2020
92020
An extradimensional approach and distributional results for the case of 2× 2 block Toeplitz structures
N Barakitis, P Ferrari, I Furci, S Serra-Capizzano
Springer Proc. Math. Stat, 2025
32025
Asymptotic spectra of large matrices coming from the symmetrization of Toeplitz structure functions and applications to preconditioning
P Ferrari, N Barakitis, S Serra‐Capizzano
Numerical Linear Algebra with Applications 28 (1), e2332, 2021
22021
A note on eigenvalues and singular values of variable Toeplitz matrices and matrix-sequences, with application to variable two-step BDF approximations to parabolic equations
N Barakitis, V Loi, S Serra-Capizzano
arXiv preprint arXiv:2407.00792, 2024
12024
On a Boundary Updating Method for the Scalar Stefan Problem
EF Magirou, P Vassalos, N Barakitis
arXiv preprint arXiv:2202.06418, 2022
12022
Blocking structures, approximation, and preconditioning
N Barakitis, M Donatelli, S Ferri, V Loi, S Serra-Capizzano, RL Sormani
arXiv preprint arXiv:2501.14874, 2025
2025
Variable two-step BDF approximations to parabolic equations, momentary symbol analysis, and eigenvalue/singular-value asymptotics via GLT and Toeplitz technology
N Barakitis, V Loi, S Serra-Capizzano
2024
Spectral Analysis and Preconditioned Iterative Solvers for Large Structured Linear Systems
N Barakitis
arXiv preprint arXiv:2205.00339, 2022
2022
A Policy Iteration Algorithm for Pricing the Amer-ican Option
E Mageirou, P Vassalos, N Barakitis
Book of Abstracts, 124, 2018
2018
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Artikler 1–10