## I’ve Got Your Number

[caption id="attachment_3965" align="alignright" width="380"] Paul Erdos - GNU Free Documentation License 1.2 by Kmhkmh[/caption] The next time someone says, I've got your number, pay close attention. There was a play on Broadway called “Six Degrees of Separation.” The premise is as follows: given any persons, A and H, there exist at most six other persons B, C, D, E, F and G such that A has met B, B has met C, C has met D, D has met E, E has met F, F has met G, G has met H. Mathematicians think five degrees of separation are sufficient; they call this theory the “Handshake Conjecture.” Mathematicians also have the concept of The Paul Erdos Number. Your Erdos number is one if you have co-authored a paper with Erdos.…