Xuzhou Chen Chen, X. Z., & Hartwig, R. E. (2005). The semi-iterative method applied to the hyper-power iteration. NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 12(9), 895–910. https://doi.org/10.1002/nla.429 Chen, X. Z., & Hartwig, R. E. (1997). On the convergence of power scaled Cesaro sums. LINEAR ALGEBRA AND ITS APPLICATIONS, 267, 335–358. https://doi.org/10.1016/S0024-3795(97)80056-0