MONDAY, MARCH 23

"Post-Transcriptional Regulation of Bacterial Metabolism via the Small RNA-Binding Protein CsrA and the Trans-Acting RNA CsrB," Tony Romeo, University of North Texas, 4:00 p.m., 101 Althouse Laboratory, host: Paul Babitzke, Department of Biochemistry and Molecular Biology, (865-3072).

"Koszul Duality for Operads II," Dmitry Tamarkin, Penn State, 5:00 p.m., 306 Boucke Building, Department of Mathematics (865-7527).

TUESDAY, MARCH 24

"Solved and Unsolved Mysteries: Novel Instabilities in Surface-Active Spreading Films," Sandra M. Troian, Princeton University, 10:00 a.m., 140 Fenske Laboratory, host: Ali Borhan, Department of Chemical Engineering (865-7847).

"Transition Metal-Carbon Clusters: Some Unique Mechanisms of Ionization," Steven E. Kooi, Penn State, 12:00 noon, 339 Davey Laboratory, Center for Materials Physics (863-2549).

"How Often Does p Divide the Class Number?" Kannan Soundararajan, Princeton University, 1:00 p.m., 113 McAllister Building, Department of Mathematics (865-7527).

"The Influence of Large-Scale Context of Nucleotide Substitutions," Dan Krane, Wright State University, 4:00 p.m., 8 Mueller Laboratory, host: Ze Ayala, Department of Biology (863-4709).

"Multilevel Methods in H(curl)," Ralf Hiptmair, University of Augsburg (Germany), 4:00 p.m., 115 McAllister Building, Department of Mathematics (865-7527).

"Obesity and Chronic Disease Risk in Children: It's Time for Prevention," Michael Goran, University of Alabama at Birmingham, 4:00 p.m., S-209 Henderson Building, Intercollege Graduate Program in Nutrition (865-3448). "Plant Hormone Signal Transduction in Arabidopsis," Peter McCourt, University of Toronto (Canada), 8:00 p.m., 112 Buckhout Laboratory, Intercollege Graduate Program in Plant Physiology (865-3155).

WEDNESDAY, MARCH 25

"Renormalization and Period Doubling Bifurcations: II," Jorn Davidsen, Penn State, 10:30 a.m., 328E Health and Human Development East Building, Department of Mathematics (865-7527).

"The Expanded Roles of ABA in Plant Development," Peter McCourt, University of Toronto (Canada), 12:20 p.m., 101 Agricultural Science and Industries Building, Intercollege Graduate Program in Plant Physiology (865-3155).

"Blue Stragglers," Fred Rasio, Massachusetts Institute of Technology, 4:00 p.m., 541 Davey Laboratory, host: Pablo Laguna, Department of Astronomy and Astrophysics (865-0418).

THURSDAY, MARCH 26

"A Gentle Proof of Tsfasman-Vladut-Zink Bound (continued)," Hiren Maharaj, Penn State, 10:10 a.m., 113 McAllister Building, Department of Mathematics (865-7527).

"At Least 17.15% of the Integers Below X are Quadratic Residues," Kannan Soundararajan, Princeton University, 11:15 a.m., 105 Osmond Laboratory, Department of Mathematics (865-7527).

"Properties Related to Activation of the Transcriptional Activator Protein DctD," Sung-dae Park, Penn State, 11:15 a.m., 101 Althouse Laboratory, Department of Biochemistry and Molecular Biology (865-3072).

"title to be announced," Navin Keswani, Penn State, 11:15 a.m., 3 White Building, Department of Mathematics (865-7527).

"Carbamoyl Phosphate Synthetase: A Long Journey from Substrate to Product," Hazel M. Holden, University of Wisconsin at Madison, S-5 Osmond Laboratory, 12:15 p.m., Department of Chemistry (863-0889). "So, What's a Composite Fermion Anyway?" (colloquium), Horst Stormer, Lucent Technologies, 3:30 p.m., 101 Osmond Laboratory, Department of Physics (865-4972).

"A Posteriori Error Estimation for Edge Elements," Ralf Hiptmair, University of Augsburg (Germany), 4:00 p.m., 115 McAllister Building, Department of Mathematics (865-7527).

"Rational Design of Protein Function," H. Hellinga, Duke University, S-5 Osmond Laboratory, 4:00 p.m., Department of Chemistry (863-0889).

"title to be announced," Gregory Benson, University of California at Davis, 4:00 p.m., 302 Pond Laboratory, Department of Computer Science and Engineering (865-9505).

"title to be announced" (colloquium), Lev Truskinovsky, University of Minnesota, 4:30 p.m., 102 McAllister Building (refreshments at 4:00 p.m. in 212 McAllister Building), Department of Mathematics (865-7527).

FRIDAY, MARCH 27

"Bayesian Modeling and Inference for Stationary Spatial Processes," Alan Gelfand, University of Connecticut, 12:20 p.m., 251 Willard Building, Department of Statistics (865-1348).

"Supermembranes and Matrix Theory" (elementary particles and fields), Bernard de Wit, University of Utrecht (Netherlands), 1:00 p.m., 339 Davey Laboratory, Department of Physics (863-0144).

"Ultraviolet Laser Ablation of Synthetic Polymers and Tissue," Rangaswamy Srinivasan, UV Tech Associates, 2:30 p.m., S-5 Osmond Laboratory, Department of Chemistry (863-0119).

SATURDAY, MARCH 28

"Graduate Research Exhibition Poster Session," graduate students in many fields including engineering and sciences, Penn State, 10:00 a.m. to 6:00 p.m., HUB Ballroom, Graduate School (865-2516).

SUNDAY, MARCH 29

(none)

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