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Applied Mathematics and Computation Seminar

"Simple schemes for complex problems" by Malgorzata Peszynska, OSU in STAG 111.

Abstract: ​We present our recent results on numerical schemes for evolution PDE models involving multivalued maximal monotone graphs. The unifying scheme of our work is fully implicit treatment of the nonlinearity and the use of lowest order spatial discretizations appropriate for the low regularity of the solutions typical, e.g., in parabolic variational inequalities and free boundaries. The models we consider are typically part of larger coupled systems, and/or are subject to upscaling, thus stability, robustness, and conservation properties are key. We present some rigorous analyses and illustrate the use of the schemes for micro- and meso (Darcy) scale models arising in environmental studies linked to climate variability. This is joint work with many students and collaborators to be named in the talk.  ​​​​​​

Friday, December 2, 2022 at 12:00pm to 12:50pm

Strand Agriculture Hall, 111
170 SW Waldo Place, Corvallis, OR 97331

Event Type

Lecture or Presentation

Event Topic

Academic, Research


Faculty and Staff, Student


Seminar, Applied Mathematics and Computation

Department of Mathematics
Contact Name

Malgorzata Peszynska

Contact Email

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