N. R. Aravind, Subrahmanyam Kalyanasundaram, Anjeneya Swami Kare. Linear Time Algorithms for Happy Vertex Coloring Problems for Trees. In Veli Mäkinen, Simon J. Puglisi, Leena Salmela, editors, Combinatorial Algorithms - 27th International Workshop, IWOCA 2016, Helsinki, Finland, August 17-19, 2016, Proceedings. Volume 9843 of Lecture Notes in Computer Science, pages 281-292, Springer, 2016. [doi]
Abstract is missing.