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Sean O’Neill Assistant Professor of Physics he/him/his Phone: 253-535-7007 Email: oneillsm@plu.edu Office Location: Rieke Science Center - 253 Office Hours: (On Campus) Wed: 5:30 pm - 6:30 pm (On Campus) Fri: 12:30 pm - 2:30 pm Website: https://sites.google.com/a/plu.edu/oneillsm/ Curriculum Vitae: View my CV Professional Education Ph.D., Astrophysics, University of Minnesota, 2007 B.A., University of Chicago, 2000 Areas of Emphasis or Expertise High-energy Astrophysics Numerical Hydrodynamics

Mei Zhu Associate Professor Emeritus of Mathematics Phone: 253-535-7404 Email: zhuma@plu.edu Office Location: Morken Center for Learning & Technology Status:Emeritus Website: http://community.plu.edu/~zhuma Professional Education Ph.D., Mathematics, University of Washington, 1994 M.S., University of Washington, 1990 M.S., Chinese Academia Sinica, Beijing, 1988 B.S., Tsinghua University, Beijing, 1985 Areas of Emphasis or Expertise Mathematical Biology Differential Equations Numerical Analysis

Modeling, Analysis and Simulations of Multiscale Nonlinear Systems, Conference proceedings, Oregon State University 2007 Katrina M. Hay, Maria I. Dragila; International Journal of Numerical Analysis and Modeling Vol. 5, 2008: Accolades 2019-2020 Faculty Excellence Award in Advising, PLU 2018 "Inspirational Woman" - PLU Center for Gender Equity Outstanding Student Paper at conference in Hydrology section for presentation: “Physics of two-phase flow on rough surfaces” at American Geophysical Union

Numerical Analysis, Portland, OR (August, 2009) Selected Articles Catral, M., Lebtahi, L. Stuart, J., Thome, N.. "Matrices A such that As+1R = RA⁎ with Rk = I." Linear Algebra and its Applications Vol. 552, 2018: 85-104. "Building generalized inverses of matrices using only row and column operations." International Journal of Mathematical Education in Science and Technology Vol. iFirst, 2010: 1–12. Q. Li, B. Liu and J. Stuart. "Bounds on the k th generalized base of a primitive sign pattern matrix