Department of

Mathematics


Seminar Calendar
for events the day of Monday, February 14, 2005.

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Monday, February 14, 2005

3:00 pm in 100H Talbot,Monday, February 14, 2005

The modulational instability for periodic standing waves

Jared Bronski (UIUC Math)

Abstract: Abstract: We consider the (linearized) stability of a standing wave solution to the nonlinear Schrodinger equation with a periodic potential. We give a general condition (non-perturbative) which guarantees the existence of a modulational instability. In the case of weak nonlinearity this instability has a nice interpretation in terms of the "effective mass" of a particle in the periodic potential. This is joint work with Zoi Rapti.

4:00 pm in 245 Altgeld Hall,Monday, February 14, 2005

The ABCs of Mathematics: Mathematical Alphabet Soup

Robert Fossum (Department of Mathematics, UIUC)

Abstract: Acronyms and abbreviations abound in the mathematics profession. Some of them are very important and others are not. In this non-technical lecture I hope to review the most important of the many organizations and committees that impact mathematicians. Many of these are probably already well known. For example NSF, NSA, NAS, MAA. Others are not as well known: BMS, MSEB, NRC, DMS. Consider too: IAS, IHES, MSRI, IMAP, SIAM, AMS. After this lecture you should be able to converse in the Common Room about the profession as well as any Washington insider.