Some cyherpunks readers who know their cryptography might be curious to see Rabin's talk as well as Peter Shor's. If you need directions by email you can send me private email (stuarth@netcom.com). ========================================================================== THE 24th THEORY DAY at Columbia University SPONSORED BY THE DEPARTMENT OF COMPUTER SCIENCE FRIDAY, SEPTEMBER 30, 1994 10:00 PROFESSOR MICHAEL RABIN Harvard University and Hebrew University "A New Paradigm for Hashing Data into Memory, and Applications" 11:00 DR DAVID KARGER AT&T Bell Laboratories "Approximate Graph Coloring by Semidefinite Programming" 2:00 PROFESSOR TOM LEIGHTON MIT "Multicommodity Flow: A Survey of recent results and algorithms" 3:00 DR PETER SHOR AT&T Bell Laboratories "Can Quantum Mechanics Help in Factoring Large Numbers?" Coffee will be available at 9:30AM. All lectures will be in the auditorium of the Schapiro Center for Engineering and Physical Sciences Research. This building is adjacent to the Mudd Building and entrance is from the campus. The lectures are free and open to the public. Call (212) 939-7000 for more information. Theory Day is supported in part by a grant from the National Science Foundation.