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Meet the Mathematics Faculty

Mark Sand, PhD
Director, Math and Physics Program
Professor of Mathematics

BA Mathematics, Physics, Drake University
MS Mathematics, University of Minnesota
PhD Mathematics, University of Minnesota

Areas of Expertise
Real analysis, potential theory, history of mathematics and science

Accomplishments and published articles
Adding and subtracting in the Cantor set, College Mathematics Journal, January 2019

Involvement
Former member of the Washington County (NE) Emergency Operations Center
Volunteer at the St. Vincent de Paul Food Pantry

msand [at] csm.edu
Jing Chang, PhD
Professor of Mathematics

BS Mathematics, Central South University of Technology, China
MS Mathematics, Central South University of Technology, China
MS Mathematics, Tennessee Technological University
PhD Mathematics, Southern Illinois University

Areas of Expertise

Algebra, trigonometry, calculus, differential equations, statistics, linear algebra, and geometry. 

Accomplishments and published articles
Chang, J. and Olive, D.J. (2010), OLS for 1D Regression Models, Communications in Statistics: Theory and Methods, 39, 1869-1882
Chang, J. (2018), A Comparison of Students’ Attitudes Toward Statistics: Online versus Face-to-Face, ICTCM 2018 Conference Proceeding

Involvement
Member of the Mathematical Association of America
Board member of Omaha Chinese School

jchang [at] csm.edu
Kelly Murphy, EdD
Assistant Professor of Mathematics

BS Mathematics Education, Wayne State College
MS Education, Wayne State College
EdD Educational Leadership, College of Saint Mary

Areas of Expertise
Math, Education, Mindset, and Research Methods

kmurphy [at] csm.edu