The meeting in September provided an opportunity to celebrate Marshall's success in all these endeavors. The meeting was organized by Patrick Speissegger. The American Midwest is now one of the world's major centers for research in the branch of Mathematical Logic known as Model Theory. To promote attendance at the conference by graduate students, some travel grants for graduate students were made available. This year's meeting was supported by the Van Vleck funds through the Department of Mathematics at the University of Wisconsin-Madison.
Further developments involve the variational study of closed characteristics on contact manifolds.
More recent developments concern the extension of the definition of the Brouwer degree to maps which are not continuous but close to continuous, and the use of the Leray-Schauder degree in singular perturbation problems. The conference was organized by Sigurd Angenent and Marshall Slemrod. There were also contributed talks sessions each day. A reception was held in the 9th floor lounge of Van Vleck Hall on Saturday, May 27. On Sunday evening, May 28, there was a conference dinner in the 9th floor lounge.