Prokopyev, Oleg A.; Butenko, Sergiy; Trapp, Andrew - In: European Journal of Operational Research 199 (2009) 1, pp. 117-121
This paper deals with the problems of checking strong solvability and feasibility of linear interval equations, checking weak solvability of linear interval equations and inequalities, and finding control solutions of linear interval equations. These problems are known to be NP-hard. We use some...