MONDAY, NOVEMBER 16

"Can String Theory Help Us Solve Quantum Chromodynamics?" (Marker lecture #2 of 4), David Gross, University of California, 10:00 a.m., S-5 Osmond Laboratory, Department of Physics (865-4376).

"Urban Entomology: An Evolving Opportunity," Roger Gold, Texas A & M University, 10:45 a.m., 118 Agricultural Sciences and Industries Building, host: Jim Frazier, Department of Entomology (865-1895).

"Symbiogenesis: Evolution by Association," Lynn Margulis, University of Massachusetts, 1:00 p.m., 112 Kern Building, host: Charles Fisher, College of the Liberal Arts Science Studies Project, Department of Biology, and Intercollege Graduate Program in Ecology (865-3365 or 863-7221).

"25 Years of Asymptotic Freedom" (Marker lecture #3 of 4), David Gross, University of California, 2:30 p.m., 214 Boucke Building, Department of Physics (865-4376).

"Group Actions on Spaces of Nonpositive Curvature and Their Ideal Boundaries," Chris Croke, University of Pennsylvania, 3:30 p.m., 102 McAllister Building, Department of Mathematics (865-7527).

"Of Biergardens and Biochemical Plant Pathology: A Year at the GSF in Munchen, Germany," Cosima Wiese, Penn State, 3:35 p.m., 112 Buckhout Laboratory, Department of Plant Pathology (865-3761).

"Gaia: Science of the Living Earth," Lynn Margulis, University of Massachusetts (respondent: Richard Doyle, Penn State), 4:00 p.m., 111 Forum Building, College of the Liberal Arts Science Studies Project and Department of Biology, host: Robert Proctor, (rnp5@psu.edu or 865-1367).

"Probing the Structure and Function of Life's First Macromolecule: Ribosomal RNA," Albert E. Dahlberg, Brown University, 4:00 p.m., 101 Althouse Laboratory, host: Paul Babitzke, Department of Biochemistry and Molecular Biology (865-3072).

TUESDAY, NOVEMBER 17

"New Methods and Strategies for Synthesis of Heterocyclic Compounds," Frank McDonald, Northwestern University, 11:15 a.m., S-5 Osmond Laboratory, Department of Chemistry (865-4041).

"The Descent Principle and the Novikov Conjecture," John Roe, Penn State, 11:15 a.m., 218 Thomas Building, Department of Mathematics (865-7527).

"Stacked Lattice Boxes," George Andrews, Penn State, 12:20 p.m., 315 Willard Building, Department of Mathematics (865-7527).

"Where Do We Stand in String Theory" (Marker lecture #4 of 4), David Gross, University of California, 1:00 p.m., 104 Thomas Building, Department of Physics (865-4376).

"Plant Community Dynamics: Clustering, Coexistence, and Spatial Strategies," Benjamin Bolker (faculty candidate), Princeton University, 2:30 p.m., 101 Althouse, host: Austin Hughes, Department of Biology (865-5013).

"The Effective Topos (continued)," Stephen Binns, Penn State, 2:30 p.m., 113 McAllister Building, Department of Mathematics (865-7527).

"Design of Component-Based Software for Unstructured Mesh Computation," Paul Plassman, Penn State, 4:00 p.m., 102 McAllister Building, Department of Mathematics (865-7527).

"Fast and Slow Folding Pathways of RNA," Sarah Woodson, University of Maryland, 4:00 p.m., S-5 Osmond Laboratory, Department of Chemistry (863-0889).

"The STK Receptor Tyrosine Kinase Regulates Macrophage Activation and Cell-Mediated Immune Responses," Pamela Correll, Penn State, 4:00 p.m., S-209 Henderson Building, Intercollege Graduate Program in Nutrition (865-0108).

WEDNESDAY, NOVEMBER 18

"Fruit Development, Ethylene Production, and Sex Expression in Cucurbita texana," Gary Krupnick, Penn State, 12:20 p.m., 111 Tyson Building, Intercollege Graduate Program in Plant Physiology (865-7069).

"Middle Aged Galaxies," Roger Blandford, California Institute of Technology, 4:00 p.m., 541 Davey Laboratory, host: Peter Meszaros, Department of Astronomy and Astrophysics (865-0418).

"X-ray Constraints on Accretion and Starburst Processes in Galactic Nuclei," Andy Ptak, Carnegie Mellon University, 4:00 p.m. 541 Davey Laboratory, host: Niel Brandt, Department of Astronomy and Astrophysics (865-0418).

THURSDAY, NOVEMBER 19

"A Function Field Analogue of Mazur's Conjecture," Matt Papanikolas, Penn State, 11:15 a.m., 106 Osmond Laboratory, Department of Mathematics (865-7527).

"Characterizing Members of a Novel Subfamily of P-type ATPases," Michael Earley, Penn State, 11:15 a.m., 101 Althouse Laboratory, host: Paul Babitzke, Department of Biochemistry and Molecular Biology (865-3072).

"The Baum-Connes Map and Assembly," Erik Pederson, State University of New York, 11:15 a.m., 218 Thomas Building, Department of Mathematics (865-7527).

"Recent Advances in Electronic Structure Methods for Large Molecular Systems: Theory and Applications," Gustavo Scuseria, Rice University, 12:15 p.m., S-5 Osmond Laboratory, Department of Chemistry (863-0889).

"Conformal Methods in Numerical Relativity," Joerg Frauendiener, Universitaet Tuebingen (Germany), 1:00 p.m., 339 Davey Laboratory, Center for Gravitational Physics and Geometry (863-9605).

"Evolutionary and Community Ecology of Induced Plant Defense Against Herbivores," Anurag Agrawal (faculty candidate), University of California, 2:30 p.m., 101 Althouse Laboratory, host: Thomas Whittam, Department of Biology (863-1970).

"LISA: Detecting Gravitational Waves from Black Holes" (colloquium), Robin Stebbins, University of Colorado, 3:30 p.m., 101 Osmond Laboratory, Department of Physics (863-9598).

"The Reproductive Ecology of Japanese Knotweed (Polygonum cuspidatum) and Giant Knotweed (Polygonum sachalinensis) Seed," Amy Thomas Niewinski, Penn State, 3:45 p.m., 112 Buckhout Laboratory, host: Todd Bowersox, Intercollege Graduate Program in Ecology (863-7221 or 865-4841).

"A Latent Curve Model for Longitudinal Data with Application to Labor Market Inequality," Marc Scott, Columbia University, 4:00 p.m., 201 Thomas Building, Department of Statistics (865-1348).

FRIDAY, NOVEMBER 20

"Early Cytokine and Natural Killer Cell Responses During Viral Infection" (A. L. Bortree seminar), Christine Biron, Brown University, 9:00 a.m., 118 Agricultural Sciences and Industries Building, Department of Veterinary Science (863-0340).

"AFM Studies of Single Polymer Chain Dynamics at Submerged Surfaces," Gilbert C. Walker, University of Pittsburgh, 2:30 p.m., S-5 Osmond Laboratory, Department of Chemistry (863-0119).

"Nonlinear Poroelasticity Equations for a Fluid-Filled Granular Medium," Robert Burridge, Schlumberger-Doll Research Center, 3:30 p.m., 102 McAllister Building, Department of Mathematics (865-7527).

SATURDAY, NOVEMBER 21

(none)

SUNDAY, NOVEMBER 22

(none)

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