This is a list of all my co-authors:

Michael Albert, Spyros Angelopoulos, Ziv Bar-Joseph, Therese Biedl, Brona Brejova, Phil Butler, Erik Demaine, David K. Gifford, Alexander Golynski, Ian Goulden, Jean-Charles Gregoire, Tommi Jaakkola, Peter Jarvis, Alejandro Lopez-Ortiz, Ron King, Luke McAven,  Bill Mills, Ron Mullin, Ian Munro, S. Rao, Rolf Rees,  Hughan Ross, M. Safari Ali, Nathan Srebro, Mike Steel,  Doug Stinson, Tomas Vinar, Jianxing Yin, C.M. Yung.

My Erdos number is 2.