MONDAY, OCTOBER 19

"Quantum Fluctuations and Phase Transition in SrTiO3 Thin Films" (condensed, atomic, and molecular physics), Xiaoxing Xi, Penn State, 3:30 p.m., 339 Davey Laboratory, Department of Physics (863-5350).

"Describing a New Course in Urban and Shade Tree Care and Maintenance," James Savage, Penn State, 3:35 p.m., 112 Buckhout Laboratory, Department of Plant Pathology (865-3761).

"Mechanism of Organelle Membrane Fusion," Martin Latterich, The Salk Institute for Biological Studies, 4:00 p.m., 101 Althouse Laboratory, host: Davis Ng, Department of Biochemistry and Molecular Biology (865-3072).

TUESDAY, OCTOBER 20

"Supersingular Primes for Elliptic Curves," David Penniston, Penn State, 12:20 p.m., 113 McAllister Building, Department of Mathematics (865-7527).

"An Operator Algebra Approach to Pseudodifferential Analysis on Singular Spaces," Robert Lauter, Massachusetts Institute of Technology, 11:15 a.m., 218 Thomas Building, Department of Mathematics (865-7527).

"Model Studies for Understanding Oxygen Storage Capacity in Three-Way Automotive Catalysts," Raymond J. Gorte, University of Pennsylvania, 11:15 a.m., 110 Wartik Laboratory, host: Costas Maranas, Department of Chemical Engineering (863-9958).

"Poly(vinylidene difluoride): Application in Hydrophones," Robert Morford, Penn State, 11:15 a.m., S-5 Osmond Laboratory, Department of Chemistry (865-4041).

"Can a Magnetic Field Make Electrons Act Like Holes: Negative Electron Drag in the Quantum Hall Regime" (condensed, atomic, and molecular physics), Tom Gramila, Penn State, 12:00 noon, 339 Davey Laboratory, Center for Materials Physics and Department of Physics (863-1162).

"Stochastic Semiclassical Gravity," Bei-Lok Hu, University of Maryland, 1:00 p.m., 339 Davey Laboratory, Center for Gravitational Physics and Geometry (863-9605).

"Generalized First-Order Conformal Invariants," Taneli Huuskonen, University of Helsinki (Finland), 2:30 p.m., 113 McAllister Building, Department of Mathematics (865-7527).

"Diffractive Processes in Quantum Chromodynamics, and Their Implications for Non-Perturbative Quantum Chromodynamics" (elementary particles and fields), John Collins, Penn State, 3:30 p.m., 339 Davey Laboratory, Department of Physics (863-0783).

"Introduction to $\ell$-adic Representations," Ling Long, Penn State, 3:35 p.m., 113 McAllister Building, Department of Mathematics (865-7527).

"Modeling and Adaptive Solution of Oxidation in Composite Material," Mohammed Aiffa, Penn State, 4:00 p.m., 102 McAllister Building, Department of Mathematics (865-7527).

"Sepsis, Cytokines, and Regulation of the IGF-1 System: Modulation by Nutritional Intervention," Charles Lang, Penn State, 4:00 p.m., S-209 Henderson Building, Intercollege Graduate Program in Nutrition (865-0108).

WEDNESDAY, OCTOBER 21

"Miniaturization of Oxygen Sensors," Shawn Mulvaney, Penn State, 11:15 a.m., S-5 Osmond Laboratory, Department of Chemistry (863-8461).

(title to be announced), Alex Ulyanov, Penn State, 11:15 a.m., 219 Thomas Building, Department of Mathematics (865-7527).

(title to be announced), Terry D'Onofrio, Penn State, 11:15 a.m., S-5 Osmond Laboratory, Department of Chemistry (863-8461).

"Proteins of the Tuber Crop Oxalis tuberosa," Teresita Flores, Penn State, 12:20 p.m., 111 Tyson Building, Intercollege Graduate Program in Plant Physiology (865-7069).

"Brown Dwarfs: From Mythical to Ubiquitous," James Liebert, University of Arizona, 4:00 p.m., 541 Davey Laboratory, host: Donald Schneider, Department of Astronomy and Astrophysics (865-0418).

THURSDAY, OCTOBER 22

"Positive Scalar Curvature Metrics and the Baum-Connes Conjecture," Stephen Stolz, University of Notre Dame, 11:15 a.m., 218 Thomas Building, Department of Mathematics (865-7527).

"Studies of Iron-Sulfur Centers of Photosystem I," Mikhail Antonkine, Penn State, 11:15 a.m., 101 Althouse Laboratory, host: John Golbeck, Department of Biochemistry and Molecular Biology (865-3072).

"Synthesis and Properties of Poly (Metallocenes) with Controlled Architectures," Ian Manners, University of Toronto (Canada), 12:15 p.m., S-5 Osmond Laboratory, Department of Chemistry (863-0889).

"Informal Discussion: Source Estimates for LIGO," Ramesh Narayan, Harvard University, 1:00 p.m., 339 Davey Laboratory, Center for Gravitational Physics and Geometry (863-9605).

"The Life and Work of India's Greatest Mathematician: Srinivasa Ramanujan," Bruce Berndt, University of Illinois, 3:00 p.m., 103 McAllister Building, Department of Mathematics (865-7527).

"Zeroing-in on Black Holes: The Case of the Dog that Did Not Bark" (colloquium), Ramesh Narayan, Harvard University, 3:30 p.m., 101 Osmond Laboratory, Department of Physics (863-9601).

"The Impact of Selenium Deficiency on Endothelial Cells," Jane Maddox, Penn State, 3:35 p.m., 16 Agricultural Sciences and Industries Building, host: L. Sordillo, Department of Veterinary Science (863-5786).

"The Effects of Herbivory by the Clover Root Curculio on Nitrogen Fixation in Alfalfa," Patricia Swineford, Penn State, 3:45 p.m., 112 Buckhout Laboratory, host: Arthur Hower Jr., Intercollege Graduate Program in Ecology (863-2982 or 863-7221).

"Approximative Confidence Regions for Minimax-Linear Estimation in Regression," Helge Toutenburg, University of Munich (Germany), 4:00 p.m., 201 Thomas Building, Department of Statistics (865-1348)

FRIDAY, OCTOBER 23

"Resistance Mechanisms of Larval Lepidopterans to Baculovirus Infection," Jan Washburn, University of California, 11:15 a.m., 101 Agricultural Sciences and Industries Building, host: Kelli Hoover, Department of Entomology (865-1895).

"Small-Scale Trends in Education, Research, and Technology," Joe Keiser, Penn State, 12:20 p.m., 121 Chambers Building, Department of Curriculum and Instruction (865-2197).

"Experiment and Theory of Ultrafast Solvation Dynamics in Nonpolar Liquids," Mark A. Berg, University of South Carolina, 2:30 p.m., S-5 Osmond Laboratory, Department of Chemistry (863-0119).

"Dynamic Surface Reconstruction Using Variational Level Set Method," Hongkai Zhao, Stanford University, 3:30 p.m., 102 McAllister Building, Department of Mathematics (865-7527).

SATURDAY, OCTOBER 24

"Submarine Volcanoes, Water, and Life in Our Solar System" (Johnson Lecture), John R. Delaney, University of Washington, 11:00 a.m., 101 Thomas Building, host: Charles Fisher, Eberly College of Science (865-3365 or 863-4682).

SUNDAY, OCTOBER 25

(none)

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