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Gu, G. (author), Mansouri, H. (author), Zangiabadi, M. (author), Bai, Y.Q. (author), Roos, C. (author)We present several improvements of the full-Newton step infeasible interior-point method for linear optimization introduced by Roos (SIAM J. Optim. 16(4):1110–1136, 2006). Each main step of the method consists of a feasibility step and several centering steps. We use a more natural feasibility step, which targets the ?+-center of the next pair...journal article 2009