Douglas J. Dailey, Ph.D.

Assistant Professor
Department of Mathematics and Natural Science


Contact Information

Douglas Dailey, Ph.D.
134 Christendom Drive
Front Royal, VA 22630
(540) 551-9227
Office: Madonna 1


I am a mathematician and have been on the faculty of Christendom College since 2017. I received my Ph.D. in Mathematics from the University of Nebraska-Lincoln in 2016. My research area was commutative algebra, and my dissertation employed methods of homological algebra. Currently, I am more focused on studying historical and philosophical questions in mathematics. In particular, I am interested in questions related to the foundations of mathematics as well as mathematics’ place within a liberal arts education.


Ph.D., University of Nebraska-Lincoln (2016)
M.S., University of Nebraska-Lincoln (2013)
B.A., University of South Dakota (2011)

Core Courses Taught

Introduction to Mathematical Thought
Elementary Number Theory

Major Courses Taught

Abstract Algebra
Calculus II
Calculus III
Linear Algebra
Number Theory

Selected Scholarship

Dailey, Douglas J.; Iyengar, Srikanth B.; Marley, Thomas. ““Detecting Finite Flat Dimension of Modules Via Iterates of the Frobenius Endomorphism” ”. J. Commut. Algebra 12 (2020), no. 1, 71–76. doi:10.1216/jca.2020.12.71.

“Diagnostic and Achievement Effects of an Early- semester Mastery Activity in College Algebra” (with Wakefield, Champion, Bolkema). International Journal of Research in Undergraduate Mathematics Education.  (2018) 4: 376.

“A Change of Rings Result for Matlis Reflexivity,” (with T. Marley) Proceedings of the American Mathematical Society. 145 (2017), 1837-1841.</

Professional Affiliations

  • Mathematical Association of America
  • American Mathematical Society
  • Canadian Society for the Philosophy and History of Mathematics
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