PSU Mark
Eberly College of Science Mathematics Department

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June 3rd, 2014 (11:15am - 12:05pm)
Seminar: Combinatorics/Partitions Seminar
Title: On a q-deformation of Picard theorem based on Askey-Wilson operator
Speaker: Edmund Chiang, Hong Kong University of Science and Technology
Location: MB106
Abstract: http://

We show that there is a full function theory behind the Askey-Wilson operator. In particular, this leads to a difference type Picard-theorem only for the Askey-Wilson operator.

June 4th, 2014 (10:00am - 12:30pm)
Seminar: CCMA PDEs and Numerical Methods Seminar Series
Title: Thermohaline flows in fractured porous media
Speaker: Gabriel Wittum, University of Frankfurt
Location: MB114
Abstract: http://atlas.gcsc.uni-frankfurt.de/~gwittum/

Density driven and thermohaline flows can show convection rolls, i.e. a kind of simplified vortex formation. This plays a role in the computation of these flows in fractured porous media. We simulate the flows using an adaptive finite volume algorithm. For the representation of fractures, two approaches are used, a full-dimensional and one with reduced dimension. We derive a criterion for the validity of the simplified representation and present an algorithm using adaptive dimensional representation.