1. Lecture Notes in Computer Science;J. Chen,2007
2. Lecture Notes in Computer Science;J. Chen,2007
3. Chen, J., Liu, Y., Lu, S., O’Sullivan, B., Razgon, I.: A fixed-parameter algorithm for the directed feedback vertex set problem. In: STOC 2008 (to appear, 2008)
4. Chen, J., Kanj, I.A.: Improved exact algorithms for m $_{\mbox{ax}}$ -s $_{\mbox{at}}$ . Discrete Applied Mathematics 142(1-3), 17–27 (2004)
5. Demaine, E., Gutin, G., Marx, D., Stege, U.: Open problems from dagstuhl seminar 07281 (2007), http://drops.dagstuhl.de/opus/volltexte/2007/1254/pdf/07281.SWM.Paper.1254.pdf