Dr. Seth Armstrong
Associate Professor of Mathematics

Math Department Chair
Southern Utah University
351 W. University Blvd.
Cedar City, UT 84720

(My personal and family page is found here.)

Classes for Summer 2010 (Click to see the syllabus)

 

Quantitative Reasoning...............................................

M-Th 11:15 – 1:05, SC 228, Summer II

Foundations of Algebra and Analysis, Math 3120......

M-F 10:15-12:15, SC, Summer I

 

 

Previous courses taught (*graduate courses and **mixed level course at Arkansas State University)
 

Numerical Analysis*

Differential Equations

Linear Algebra

Computational Mathematics*

College Geometry

Calculus I, II, III

Advanced Calculus**

Math Modeling

Survey of Calculus

Advanced Linear Algebra*

History of Mathematics

College Algebra

Abstract Algebra

Business Calculus

Quantitative Analysis

 

Research

Publications

q       (with R. Schaaf) Solution surfaces for semilinear elliptic equations on rotated domains, Advances in Differential Equations, vol. 4, no. 2 (1999)

q       (with R. Schaaf), A low-dimensional conjugacy for elliptic equations and symmetry breaking on rotated domains, J. Differential Equations 192, 70-92 (2003)

q       (with S. Brown and J. Han) Numerical analysis for a nonlocal phase field system, submitted to Int. J. Num. Anal

Work Nearly Completed

q       (with J. Han) An invariant manifold approach to the numerical approximation of a class of singular differential equations

q       (with J. Han) A nonlocal phase field system with phase change

Theses

q       (Dissertation) On Solution Surfaces for Semilinear Elliptic Equations on Rotated Domains, Utah State University, 1996

q       M.S. (Advisor, advised M.S. Candidate Katherine Logan) A Direct Approach to the Jordan Canonical Form and Its Implementation on Mathematica, May 1998

Education

q       Ph.D. in Mathematics, Utah State University, June 1996.  Advisor: Renate Schaaf.
                Fields:  Partial Differential Equations/Numerical Analysis

q       M.S. in Mathematics, Brigham Young University, June 1992.  Advisor: David Wright.

q       B.S. in Mathematics,  Brigham Young University, June 1990. (Minor: Spanish.)
 

 

Awards 

 

q       Honors Contributor of the Year, Southern Utah University, 2009

q       Professor of the Year, Southern Utah University, 2005

q       Best-Liked Professor, College of Science Awards Night, 2003 (got an Elvis 8-track cassette for this one!)

q       Outstanding Academics Award, Math/Stat Dept., Utah State University, 1993

q       Outstanding Teacher Award, Math/Stat. Dept., Utah State University, 1995

q       Outstanding Research Award, Math/Stat. Dept., Utah State University, 1996