MONDAY, MARCH 2

"Metal-Insulator Transition in Optically Switchable Hydrides" (condensed, atomic, and molecular physics), Fu-Chun Zhang, University of Cincinnati, 3:30 p.m., 339 Davey Laboratory, Department of Physics (863-0090).

"Post-Transcriptional Steps in Chloroplast Gene Expression: Nuclear Factors and Their Targets," David B. Stern, Cornell University, 4:00 p.m., 101 Althouse Laboratory, host: Ola Sodeinde, Department of Biochemistry and Molecular Biology (865-3072).

TUESDAY, MARCH 3

"Characterizing Nitric Oxide Exchange Dynamics in the Lungs," Steven C. George, University of California at Irvine, 10:00 a.m., 140 Fenske Laboratory, host: Ali Borhan, Department of Chemical Engineering (865-7847).

"Synthesis and Properties of Cubane and Its Derivatives," Jane Bogdanov, Penn State, 11:15 a.m., S-5 Osmond Laboratory, Department of Chemistry (865-4041).

"Physics of Laser Ablation: Overheating, Phase Explosion, Pressure Waves...," Leonid Zhigilei, Penn State, 12:00 noon, 339 Davey Laboratory, Center for Materials Physics (863-2549).

"R. Murty's Paper on the Divisibility of Class Numbers of Quadratic Fields," Justin Wampler, Penn State, 1:00 p.m., 113 McAllister Building, Department of Mathematics (865-7527).

"Steroids and Plant Development," Jianming Li, Salk Institute, 1:30 p.m., 8 Mueller Laboratory, host: Sarah Assmann, Department of Biology (863-9579).

"Single Transverse-Spin Asymmetry in Hadronic Collisions" (elementary particle and fields), Jianwei Qiu, Iowa State University and Brookhaven National Laboratory, 3:30 p.m., 339 Davey Laboratory, Department of Physics (863-0783).

"Of Genes and Genomes," David Botstein, Stanford University, 4:00 p.m., 101 Thomas Building (with videoconferencing links to other campuses), Life Sciences Consortium (863-3650).

"Apolipoprotein-A IV as a Satiety Signal," Patrick Tso, University of Cincinnati, 4:00 p.m., S-209 Henderson Building, Intercollege Graduate Program in Nutrition (865-3448).

"Multiscale Solvers for Differential and Integral Wave Equations," Achi Brandt, Weizmann Institute of Science (Israel), 4:00 p.m., 115 McAllister Building, Department of Mathematics (865-7527).

WEDNESDAY, MARCH 4

"The Fiber Optic Biosensor: Science Takes Flight," Fran Ligler, Naval Research Laboratory, 11:15 a.m., S-5 Osmond Laboratory, Department of Chemistry (863-0119).

"Cytoplasmic Ion Concentrations in Salt-Stressed Root Hairs of Arabidopsis thaliana L.," Stephen J. Halperin, Penn State, 12:20 p.m., 106 Wartik Laboratory, Intercollege Graduate Program in Plant Physiology (865-0323).

"Bounded Arithmetic," Juliette Kennedy, Bucknell University, 1:25 p.m., 121 Thomas Building, Department of Mathematics (865-7527).

"Diffuse UV Background Radiation," Dick Henry, Johns Hopkins University, 4:00 p.m., 541 Davey Laboratory, host: David Burrows, Department of Astronomy and Astrophysics (865-0418).

"Characteristic Classes," Paul Bressler, Penn State, 4:40 p.m., 119 Boucke Building, Department of Mathematics (865-7527).

THURSDAY, MARCH 5

"The Gilbert-Varshamov Bound," Jason Kline, Penn State, 10:10 a.m., 113 McAllister Building, Department of Mathematics (865-7527).

"Class Numbers of Quadratic Number Fields," Winfred Kohnen, University of Heidelberg (Germany), 11:15 a.m., 105 Osmond Laboratory, Department of Mathematics (865-7527). "The Riemann Zeta Function and the Bost-Connes Statistical Mechanical System," Nigel Higson, Penn State, 11:15 a.m., 3 White Building, Department of Mathematics (865-7527).

"Expression Through Synthesis: From Molecules to Polymers to the Solid State," Robert T. Paine Jr., University of New Mexico, S-5 Osmond Laboratory, 12:15 p.m., Department of Chemistry (863-0889).

"Gravitational Waves Detection" (colloquium), Rainer Weiss, Massachusetts Institute of Technology, 3:30 p.m., Department of Physics (865-1272).

"Evolution and Earth History: Biogeography at the Cutting Edge," John Grehan, Penn State, 3:45 p.m., 112 Buckout Laboratory, Intercollege Graduate Degree Program in Ecology (863-7221).

"Covalent Bond Deletion in Heme Proteins: Ligand Binding Energetics and Cooperativity," Doug Barrick, Johns Hopkins University, S-5 Osmond Laboratory, 4:00 p.m., Department of Chemistry (863-0889).

"Infinite Dimensional Lie Groups in Mathematical Physics" (colloquium), Rudolph Schmid, Emory University, 4:30 p.m., 102 McAllister Building (refreshments at 4:00 p.m. in 212 McAllister Building), Department of Mathematics (865-7527).

FRIDAY, MARCH 6

"Resolution of the St. Petersburg Paradox," Sandor Csorgo, University of Michigan, 12:20 p.m., 102 Thomas Building, Department of Statistics (865-1348).

"Second Harmonic Generation at Liquid Interfaces," Kevin Dahl, Penn State, S-5 Osmond Laboratory, 2:30 p.m., Department of Chemistry (863-0119).

"Spectroscopic Investigation of Weakly Bound van-der-Waals," Ruediger Bruehl, Penn State, 2:30 p.m., S-5 Osmond Laboratory, Department of Chemistry (863-0119).

"Homogenization for the Finite-Difference Approximation of Elliptic Equations with Rough Coefficients," V. Druskin, Schlumberger-Doll Research, 3:30 p.m., 102 McAllister Building, Department of Mathematics (865-7527).

SATURDAY, MARCH 7

(none)

SUNDAY, MARCH 8

(none)

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