Charalampos Tsitouras

Publication Activity (10 Years)

Years Active: 1990-2024
Publications (10 Years): 11

Top Topics

Transfer Function

Ordinary Differential Equations

Spectral Clustering

Top Venues

Appl. Math. Comput.

J. Comput. Appl. Math.

Numer. Algorithms

Comput. Phys. Commun.

Publications

Vladislav N. Kovalnogov, Ruslan V. Fedorov, Tamara V. Karpukhina, Theodore E. Simos, Charalampos Tsitouras
Runge-Kutta pairs of orders 9(8) for use in quadruple precision computations. Numer. Algorithms 95 (4) (2024)
V. N. Kovalnogov, R. V. Fedorov, M. T. Karpukhina, M. I. Kornilova, T. E. Simos, Charalampos Tsitouras
Economical handling of Runge-Kutta-Nyström step rejection. J. Comput. Appl. Math. 438 (2024)
V. N. Kovalnogov, R. V. Fedorov, M. T. Karpukhina, M. I. Kornilova, T. E. Simos, Charalampos Tsitouras
Runge-Kutta-Nyström methods of eighth order for addressing Linear Inhomogeneous problems. J. Comput. Appl. Math. 419 (2023)
Theodore E. Simos, Charalampos Tsitouras
On high order Runge-Kutta-Nyström pairs. J. Comput. Appl. Math. 400 (2022)
T. E. Simos, Charalampos Tsitouras
Efficiently inaccurate approximation of hyperbolic tangent used as transfer function in artificial neural networks. Neural Comput. Appl. 33 (16) (2021)
T. E. Simos, Charalampos Tsitouras
Evolutionary derivation of Runge-Kutta pairs for addressing inhomogeneous linear problems. Numer. Algorithms 87 (2) (2021)
Charalampos Tsitouras
Explicit Runge-Kutta methods for starting integration of Lane-Emden problem. Appl. Math. Comput. 354 (2019)
Charalampos Tsitouras, Ioannis Th. Famelis
approximations to the matrix exponential. Appl. Math. Comput. 338 (2018)
Charalampos Tsitouras, Ioannis Th. Famelis, T. E. Simos
Phase-fitted Runge-Kutta pairs of orders 8(7). J. Comput. Appl. Math. 321 (2017)
Ioannis Th. Famelis, Charalampos Tsitouras
Symbolic derivation of Runge-Kutta-Nyström type order conditions and methods for solving y'''=f(x, y). Appl. Math. Comput. 297 (2017)
Ioannis Th. Famelis, Charalampos Tsitouras
On modifications of Runge-Kutta-Nyström methods for solving y(4) = f(x, y). Appl. Math. Comput. 273 (2016)
Charalampos Tsitouras
On fitted modifications of Runge-Kutta-Nyström pairs. Appl. Math. Comput. 232 (2014)
Charalampos Tsitouras, Vasilios N. Katsikis
approximations to the matrix cosine. Comput. Phys. Commun. 185 (11) (2014)
Charalampos Tsitouras, Christos G. Massouros
Enumeration of Rosenberg-type hypercompositional structures defined by binary relations. Eur. J. Comb. 33 (8) (2012)
Charalampos Tsitouras
Runge-Kutta pairs of order 5(4) satisfying only the first column simplifying assumption. Comput. Math. Appl. 62 (2) (2011)
Charalampos Tsitouras
Greatest remainder bi-proportional rounding and the Greek parliamentary elections of 2007. Appl. Math. Comput. 217 (22) (2011)
Charalampos Tsitouras
Hybrid Hamilton-Webster and the Greek apportionment. Appl. Math. Comput. 218 (7) (2011)
Charalampos Tsitouras, Ioannis Th. Famelis, T. E. Simos
On modified Runge-Kutta trees and methods. Comput. Math. Appl. 62 (4) (2011)
Charalampos Tsitouras, Christos G. Massouros
On enumeration of hypergroups of order 3. Comput. Math. Appl. 59 (1) (2010)
Dimitrios G. Pavlou, F. I. Mavrothanasis, Charalampos Tsitouras, M. G. Pavlou, S. Avlonitis, V. N. Vlachakis
Stress concentration analysis of interfacial micro-structural cracks under internal singular loading sources. J. Comput. Methods Sci. Eng. 10 (1-2) (2010)
Athanassios G. Bratsos, Ioannis Th. Famelis, A. Kollias, Charalampos Tsitouras
Phase-fitted Numerov type methods. Appl. Math. Comput. 184 (1) (2007)
Charalampos Tsitouras
Runge-Kutta interpolants for high precision computations. Numer. Algorithms 44 (3) (2007)
Ioannis Th. Famelis, S. N. Papakostas, Charalampos Tsitouras
Symbolic derivation of Runge-Kutta order conditions. J. Symb. Comput. 37 (3) (2004)
Tom E. Simos, Ioannis Th. Famelis, Charalampos Tsitouras
Zero Dissipative, Explicit Numerov-Type Methods for Second Order IVPs with Oscillating Solutions. Numer. Algorithms 34 (1) (2003)
Charalampos Tsitouras
Families of explicit two-step methods for integration of problems with oscillating solutions. Appl. Math. Comput. 135 (1) (2003)
George Papageorgiou, Charalampos Tsitouras
Runge-Kutta Pairs for Scalar Autonomous Initial Value Problems. Int. J. Comput. Math. 80 (2) (2003)
Charalampos Tsitouras, T. E. Simos
High algebraic, high phase-lag order embedded Numerov-type methods for oscillatory problems. Appl. Math. Comput. 131 (1) (2002)
Charalampos Tsitouras
Neural networks with multidimensional transfer functions. IEEE Trans. Neural Networks 13 (1) (2002)
Charalampos Tsitouras
Dissipative high phase-lag order methods. Appl. Math. Comput. 117 (1) (2001)
Charalampos Tsitouras, S. N. Papakostas
Cheap Error Estimation for Runge-Kutta Methods. SIAM J. Sci. Comput. 20 (6) (1999)
S. N. Papakostas, Charalampos Tsitouras
High Phase-Lag-Order Runge-Kutta and Nyström Pairs. SIAM J. Sci. Comput. 21 (2) (1999)
George Papageorgiou, Ioannis Th. Famelis, Charalampos Tsitouras
A P-stable singly diagonally implicit Runge-Kutta-Nyström method. Numer. Algorithms 17 (3-4) (1998)
Charalampos Tsitouras, Theodore E. Simos
Explicit high order methods for the numerical integration of periodic initial-value problems. Appl. Math. Comput. 95 (1) (1998)
George Papageorgiou, Charalampos Tsitouras
Continuous extensions to high order runge-kutta methods. Int. J. Comput. Math. 65 (3-4) (1997)
George Papageorgiou, Charalampos Tsitouras, S. N. Papakostas
Runge-Kutta pairs for periodic initial value problems. Computing 51 (2) (1993)
Charalampos Tsitouras, George Papageorgiou
Runge-Kutta interpolants based on values from two successive integration steps. Computing 43 (3) (1990)