Saturday October 21, 2006
I’ve been doing a lot of reading and work with networks (or more generally, graphs). Lots of mathematical and conceptual connections with Markov chain theory relevant to MCMC, and, separately, Bayesian belief networks (i.e., statistical models).
Anyway, it turns out I have a finite ErdÅ‘s number: ok, so none of my publications show up on MathSciNet; but as far as I know my ErdÅ‘s number is 6 (Doug Rivers to Quang Voung, to Jean-Jacques Laffont, to Eric Maskin, to Peter Fishburn, to ErdÅ‘s). I am also 6 steps away via a collaboration with Frank Vella (whose link to ErdÅ‘s also runs through Peter Fishburn).
I have an active collaboration with Howard Rosenthal, who is ErdÅ‘s 4, through a link to John Ferejohn (ErdÅ‘s2, he’s co-authored with Peter Fishburn, as has Steve Brams).
In Stanford Stat, Trevor Hastie is ErdÅ‘s3, and Brad Efron and Charles Stein are ErdÅ‘s2, because Persi Diaconis’s ErdÅ‘s number is 1…!
MathSciNet says Gary King is ErdÅ‘s5, because he has a collaboration with Jeff Gill (ErdÅ‘s4), via a collaboration with George Casella (3), with Diaconis being the eventual link to ErdÅ‘s. Then again, Gary has coauthored several times with Andy Gelman (who is ErdÅ‘s3 via a roundtable/symposium with Radford Neal, and Neal via Persi Diaconis), so Gary is actually ErdÅ‘s4.
Jan de Leeuw (4), Jim Heckman (4), George Box (3), John Tukey (2), Egon Pearson (3), Don Rubin (3), Kolmogorov (2, via RÃ©nyi), and Albert Einstein (ErdÅ‘s2)…!