Taylor approximation for solving linear and nonlinear Ill-Posed Volterra equations via an iteration method

DOI: https://doi.org/10.31559/glm2021.11.2.1

Forecasting of Covid-19 deaths in South Africa using the autoregressive integrated moving average time series model

DOI: https://doi.org/10.31559/glm2021.11.2.2

A New Coefficient of Conjugate Gradient Method with Global Convergence for Unconstrained Optimization Problems

DOI: https://doi.org/10.31559/glm2021.11.2.3

Retracted Article: Two different scenarios when the Collatz Conjecture fails

DOI: https://doi.org/10.31559/glm2021.11.2.4