Journal Numerical Algorithms Issue 4/2019 Table of Contents ( 16 Articles ) 11-01-2019 | Original Paper | Issue 4/2019 A numerical algorithm based on a new kind of tension B-spline function for solving Burgers-Huxley equation N. Alinia, M. Zarebnia 19-01-2019 | Original Paper | Issue 4/2019 Polynomial (chaos) approximation of maximum eigenvalue functions Efficiency and limitations Luca Fenzi, Wim Michiels 04-01-2019 | Original Paper | Issue 4/2019 Optimal parameter selections for a general Halpern iteration Songnian He, Tao Wu, Yeol Je Cho, Themistocles M. Rassias 15-01-2019 | Original Paper | Issue 4/2019 Veamy: an extensible object-oriented C++ library for the virtual element method A. Ortiz-Bernardin, C. Alvarez, N. Hitschfeld-Kahler, A. Russo, R. Silva-Valenzuela, E. Olate-Sanzana 03-01-2019 | Original Paper | Issue 4/2019 The Laguerre-Hermite spectral methods for the time-fractional sub-diffusion equations on unbounded domains Hao Yu, Boying Wu, Dazhi Zhang 25-01-2019 | Original Paper | Issue 4/2019 Computing eigenpairs of Hermitian matrices in perfect Krylov subspaces Zhong-Zhi Bai, Cun-Qiang Miao 12-01-2019 | Original Paper | Issue 4/2019 Identification of the time-dependent source term in a multi-term time-fractional diffusion equation Y. S. Li, L. L. Sun, Z. Q. Zhang, T. Wei 11-01-2019 | Original Paper | Issue 4/2019 Nonlinear Fredholm integral equations and majorant functions J. A. Ezquerro, M. A. Hernández-Verón 23-01-2019 | Original Paper | Issue 4/2019 On numerical evaluation of integrals involving oscillatory Bessel and Hankel functions Sakhi Zaman, Siraj-ul-Islam 11-01-2019 | Original Paper | Issue 4/2019 Two–parameter scaled memoryless BFGS methods with a nonmonotone choice for the initial step length Saman Babaie–Kafaki, Zohre Aminifard 23-01-2019 | Original Paper | Issue 4/2019 Variable step size commutator free Lie group integrators Charles Curry, Brynjulf Owren 11-01-2019 | Original Paper | Issue 4/2019 Two-step modulus-based matrix splitting iteration methods for implicit complementarity problems Yang Cao, An Wang 11-01-2019 | Original Paper | Issue 4/2019 Divergence of the backward Euler method for ordinary stochastic differential equations Marija Milošević 06-02-2019 | Original Paper | Issue 4/2019 Moving mesh finite difference solution of non-equilibrium radiation diffusion equations Xiaobo Yang, Weizhang Huang, Jianxian Qiu 11-01-2019 | Original Paper | Issue 4/2019 Fast boundary-domain integral method for unsteady convection-diffusion equation with variable diffusivity using the modified Helmholtz fundamental solution Jure Ravnik, Jan Tibuat 23-01-2019 | Original Paper | Issue 4/2019 Novel parameter estimation techniques for a multi-term fractional dynamical epidemic model of dengue fever T. Li, Y. Wang, F. Liu, I. Turner