Textbooks MIZED IMS Rajeev Motwani and Prabhakar Raghavan. Randomized Algorithms. Cambridge University Press,1995. VIJAY V.VAZIRANT Approximation Vijay Vazirani Algorithms Approximation Algorithms. Spinger-Verlag,2001.Textbooks Vijay Vazirani Approximation Algorithms. Spinger-Verlag, 2001. Rajeev Motwani and Prabhakar Raghavan. Randomized Algorithms. Cambridge University Press, 1995