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Hi Everyone, We'll meet this week at the usual time of 1 PM Eastern for our LQS weekly meeting, Thursday, Sept. 17. Dial-in is 510-665-5437, passcode 7336. We'll take round-table reports, then discuss a paper that Peter suggested: "Early-warning signals for critical transitions". Nature 461, 08227 (2009) The abstract states: "Complex dynamical systems, ranging from ecosystems to financial markets and the climate, can have tipping points at which a sudden shift to a contrasting dynamical regime may occur. Although predicting such critical points before they are reached is extremely difficult, work in different scientific fields is now suggesting the existence of generic early-warning signals that may indicate for a wide class of systems if a critical threshold is approaching." The meeting website is http://dmtpc.mit.edu/MaKaC/conferenceDisplay.py?confId=210. Looking forward to talking with you tomorrow. Thanks much, --Ray