course: Approximation by hypersurfaces, and classifications of Mahler and Koksma.

speaker: Wolfgang Schmidt (University of Colorado at Boulder)

abstract: Approximation by algebraic hypersurfaces is a common generalization of Dirichlet's theorem on linear forms, interpreted as a result on approximation by rational hyperplanes, and Wirsing's question on approximation by algebraic numbers. We will generalize the Mahler and Koksma classifications of transcendental numbers, and will also briefly deal with approximation by algebraic varieties of given dimension.

timetable:
Fri 10 Jun, 10:00 - 11:00, Sala Conferenze Centro De Giorgi
Tue 14 Jun, 11:00 - 12:00, Sala Conferenze Centro De Giorgi
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