KONG, LINGCHEN; TUNÇEL, LEVENT; XIU, NAIHUA - In: Asia-Pacific Journal of Operational Research (APJOR) 26 (2009) 02, pp. 199-233
The implicit Lagrangian was first proposed by Mangasarian and Solodov as a smooth merit function for the nonnegative orthant complementarity problem. It has attracted much attention in the past ten years because of its utility in reformulating complementarity problems as unconstrained...