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David C. Marshall, Ph.D.

  • Associate Professor
  • Department Advising Coordinator

Department: Mathematics

Office: James and Marlene Howard Hall 242

Office Hours: Mondays 9:00-10:00am
Wednesdays 11:30-12:30pm
Thursdays 10:00-11:00am

Phone: 732-571-4465

Email: dmarshal@monmouth.edu


I spent the majority of my first 23 years living in Southern California where I attended the California State University at Fullerton, majoring in mathematics and minoring in philosophy. My calculus professor, Dr. Mario Martelli, took me under his wing and became an important mentor for many years. He took me to conferences, invited me to collaborate on a research problem, and ultimately convinced me that I can do mathematics. I have him to thank for my decision to pursue the life of a mathematician.

I left California to attend graduate school at the University of Arizona in Tucson, AZ where I met and married my wife Dr. Susan Marshall. I also earned my Ph.D. in mathematics there while working with Dr. William McCallum. I then spent two years working at McMaster University in Hamilton, Ontario, Canada which was a wonderful adventure. Susan and I then spent two years together working at The University of Texas at Austin before settling into New Jersey at Monmouth University in 2004. Along the way we added two amazing children to our list of accomplishments.

Education

Ph.D. in Mathematics, University of Arizona

B.A. in Mathematics, California State University-Fullerton

Mathematical Interests

My past mathematical research has been in the overlapping areas of algebra, number theory, and geometry. More specifically, my past work involved the study of algebraic number fields and algebraic curves. These days I am more interested in problems from these areas and others that allow me to educate and collaborate with undergraduate students. I’m also very interested in mathematical pedagogy and teaching, and have co-authored an innovative textbook and accompanying materials for an inquiry-based undergraduate number theory course.

Professional Activities

  1. Cubic Comparability Graphs, with undergraduate student Olivia Verni, School of Science Summer Research Program, Monmouth University 2020
  2. The Mathematics and Ethics of Infinity, MAA Contributed Paper Session, AMS-MAA Joint Mathematics Meetings, San Diego, CA, January 2018
  3. Recipient of the Sr. Stephanie Sloyan Award for Distinguished Service, MAA-NJ Section, 2018
  4. Reflections in Geometry, MAA Contributed Paper Session, MAA MathFest, Portland, OR, 2014
  5. Executive Committee Member, New Jersey Section of the Mathematical Association of America, 2009-2016

Courses

Recently Taught Classes

2024 Spring

  • Modern Algebra – MA 410
  • Statistics With Applications – MA 151

2023 Fall

  • Calculus With Analytic Geometry II – MA 126
  • Statistics With Applications – MA 151

2023 Spring

  • Combinatorics and Graph Theory – MA 318

2022 Fall

2022 Spring

  • Calculus With Analytic Geometry II – MA 126
  • Introduction to Mathematical Reasoning – MA 120

2021 Fall

  • Calculus With Analytic Geometry I – MA 125
  • Foundations of Elementary Mathematics I – MA 203
  • Number Theory – MA 314

2021 Summer B

  • Calculus With Analytic Geometry I – MA 125

2021 Spring

  • Combinatorics and Graph Theory – MA 318
  • Introduction to Mathematical Reasoning – MA 120

Frequently Taught Classes

  • Applied Discrete Mathematics (MA 130)
  • Calculus With Analytic Geometry I (MA 125)
  • Calculus With Analytic Geometry II (MA 126)
  • Combinatorics and Graph Theory (MA 318)
  • Foundations of Elementary Mathematics I (MA 203)
  • Introduction to Mathematical Reasoning (MA 120)
  • Modern Algebra (MA 410)
  • Number Theory (MA 314)
  • Quantitative Reasoning and Problem Solving (MA 100)
  • Statistics With Applications (MA 151)