Talk at University of Lisbon

I am Stephen G. Simpson, a mathematician at the Pennsylvania State University.

On July 19, 2001 I gave an invited talk at CMAF at the University of Lisbon, Portugal.

The title of my talk was Muchnik and Medvedev Degrees of Pi01 Subsets of 2^omega. My abstract is available in several formats: DVI, PDF, PS, HTML. My slides are available in several formats: PDF, PS.

A list of my recent and upcoming talks is available.

My publication list is available.

I run FOM, an automated e-mail list for discussing foundations of mathematics. / 29 January 2002