Michael J. Dinneen, Masoud Khosravani. Hardness of Approximation and Integer Programming Frameworks for Searching for Caterpillar Trees. In Alex Potanin, Taso Viglas, editors, Seventeenth Computing: The Australasian Theory Symposium, CATS 2011, Perth, Australia, January 2011. Volume 119 of CRPIT, pages 145-150, Australian Computer Society, 2011. [doi]
Abstract is missing.