document.write("«&nbsp;<a href='/news/view?id=116875'>A perturbational duality approach in vector optimization. (arXiv:1807.02666v1 [math.OC])</a>");document.write(" | ");document.write("<a href='/news/view?id=116877'>A primal-dual interior-point relaxation method for nonlinear programs. (arXiv:1807.02959v1 [math.OC])</a>&nbsp;»");