Hi Frank, Peter, Let's meet for our weekly LQS meeting at 12:30 PM Eastern time on Friday, Sept. 27, 2013. If we have time, let's discuss the amplituhedron article that Frank sent: https://www.simonsfoundation.org/quanta/20130917-a-jewel-at-the-heart-of-quantum-physics/ It sounds interesting. Dial-in: 866-740-1260, passcode 3144955. Thank you, --Ray ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the LQS-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=LQS-L&A=1