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Mathematics

D-Index
32
Citations
3319
World Ranking
3248
National Ranking
12

Overview

Ch. Tsitouras is affiliated with the National and Kapodistrian University of Athens in Greece. Their research contributions span primarily in the fields of Mathematics and Computer Science, with a focus on several specialized subfields.

Their main areas of study include:

  • Numerical Analysis
  • Computational Theory and Mathematics
  • Modeling and Simulation
  • Statistical and Nonlinear Physics
  • Computational Mechanics

Tsitouras's work addresses topics such as:

  • Numerical methods for differential equations
  • Matrix Theory and Algorithms
  • Fractional Differential Equations Solutions
  • Model Reduction and Neural Networks
  • Advanced Numerical Methods in Computational Mathematics
  • Differential Equations and Numerical Methods
  • Mathematical and Theoretical Epidemiology and Ecology Models

The frequent venues where their research has been published include:

  • Mathematics
  • Mathematical Methods in the Applied Sciences
  • Numerical Algorithms
  • Journal of Computational and Applied Mathematics
  • Applied Numerical Mathematics

Recent papers authored or coauthored by Tsitouras include:

  • "Evolutionary derivation of Runge-Kutta pairs for addressing inhomogeneous linear problems" (2020, Numerical Algorithms)
  • "Direct estimation of SIR model parameters through second-order finite differences" (2020, Mathematical Methods in the Applied Sciences)
  • "Explicit, ninth order, two step methods for solving inhomogeneous linear problems x"(t)=Λx(t)+f(t)" (2020, Applied Numerical Mathematics)
  • "Real-Time Estimation of R0 for COVID-19 Spread" (2021, Mathematics)
  • "Ninth-order, explicit, two-step methods for second-order inhomogeneous linear IVPs" (2020, Mathematical Methods in the Applied Sciences)

Their frequent collaborators include:

  • Theodore E. Simos
  • Vladislav N. Kovalnogov
  • Ruslan V. Fedorov
  • Tamara V. Karpukhina
  • Dmitry A. Generalov

Best Publications

  • Runge-Kutta pairs of order 5(4) satisfying only the first column simplifying assumption

    Ch. Tsitouras

  • On modified Runge–Kutta trees and methods

    Ch. Tsitouras;I.Th. Famelis;T.E. Simos;T.E. Simos

  • Zero Dissipative, Explicit Numerov-Type Methods for Second Order IVPs with Oscillating Solutions

    Tom E. Simos;Ioannis Th. Famelis;Charalampos Tsitouras

  • High Phase-Lag-Order Runge--Kutta and Nyström Pairs

    S. N. Papakostas;Ch. Tsitouras

  • Optimized Runge-Kutta pairs for problems with oscillating solutions

    Ch. Tsitouras;T. E. Simos

  • Phase-fitted RungeKutta pairs of orders 8(7)

    Ch. Tsitouras;I.Th. Famelis;T.E. Simos

  • Evolutionary generation of high-order, explicit, two-step methods for second-order linear IVPs

    T. E. Simos;T. E. Simos;Ch. Tsitouras

  • Cheap Error Estimation for Runge--Kutta Methods

    Ch. Tsitouras;S. N. Papakostas

  • A new family of 7 stages, eighth-order explicit Numerov-type methods

    T.E. Simos;Ch. Tsitouras

  • Explicit Numerov Type Methods with Reduced Number of Stages

    Ch Tsitouras

  • Trigonometric fitted, eighth‐order explicit Numerov‐type methods

    Dmitry B. Berg;T. E. Simos;Ch. Tsitouras

  • On Ninth Order, Explicit Numerov-Type Methods with Constant Coefficients

    Ch. Tsitouras;T. E. Simos

  • Fitted modifications of classical Runge‐Kutta pairs of orders 5(4)

    T. E. Simos;Ch. Tsitouras

  • Trigonometric-Fitted Explicit Numerov-Type Method with Vanishing Phase-Lag and Its First and Second Derivatives

    Ch. Tsitouras;T. E. Simos

  • Explicit two-step methods for second-order linear IVPs

    Ch. Tsitouras

  • Explicit, two-stage, sixth-order, hybrid four-step methods for solving y′′(x)=f(x,y)

    Maxim A. Medvedev;T. E. Simos;T. E. Simos;Ch. Tsitouras

  • Trigonometric-fitted hybrid four-step methods of sixth order for solving y′′(x)=f(x,y)

    Maxim A. Medvedev;T. E. Simos;T. E. Simos;Ch. Tsitouras

  • Explicit high order methods for the numerical integration of periodic initial-value problems

    Ch. Tsitouras;T. E. Simos

  • A Tenth Order Symplectic Runge–Kutta–Nyström Method

    Ch. Tsitouras

  • Symbolic derivation of Runge–Kutta–Nyström order conditions

    Ch. Tsitouras;I. Th. Famelis

  • EXPLICIT EIGHTH ORDER TWO-STEP METHODS WITH NINE STAGES FOR INTEGRATING OSCILLATORY PROBLEMS

    Ch. Tsitouras

  • International Conference on Numerical Analysis and Applied Mathematics 2008

    Theodore E. Simos;Ch Tsitouras

Frequent Co-Authors

T. E. Simos
T. E. Simos Gulf University for Science & Technology
George Maroulis
George Maroulis University of Patras
Alex Alexandridis
Alex Alexandridis University of West Attica

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