Courses Taught:

Introduction to Functions
Precalculus
Calculus I, II, and IV
Business Calculus
Linear Algebra
Informal Geometry
Applied Statistics
History of Math
Geometry
Discrete Mathematics
Abstract Algebra

Education:

Ph.D. Iowa State University, 2005

Research Interests:

Combinatorial Matrix Theory
Spectral Graph Theory

Representative Publications:

Choi, Ji Young; De Alba, Luz Maria; Hogben, Leslie; Maxwell, Mandi S.;
Wangness, Amy. 'Po-matrix Completion Problem'.  Electronic Journal of Linear
Algebra v9, 2002, pgs. 1-20.  De Alba, Luz Maria; Hardy, Timothy L.; Hogben, Leslie; Wangness, Amy.  'The (Weakly) Sign Symmetric P-matrix Completion Problems'.  Electronic Journal of Linear Algebra v10, 2003, pgs. 257-271

Professional Affiliations:

Mathematical Association of America (MAA)
American Mathematical Society (AMS)
International Linear Algebra Society