... “On the numerical robustness of the parallel projection method in signal synthesis,”IEEE Signal Processing Letters, vol. 8, no. 2, pp. 45–47, 2001.6 T H. Kim and H K. Xu, “Robustness of Mann’s ... Proceedings of the American Mathematical Society, vol. 125, no. 12, pp. 3641–3645, 1997.16 H K. Xu, “Another control condition in an iterative method for non-expansive mappings,” Bulletin of the ... 1 − tTzt, for arbitrary but fixed u ∈ C, which convergesstrongly to a fixed point of T. Further, if Pu limt→0zt, for each u ∈ C,thenP is a sunny nonexpansiveretraction of C onto FT.Lemma...