Matthew DeLong, Ph.D.
Chair, Department of Mathematics

(317) 955-6477
Marian Hall, Room 315

Matthew DeLong


  • Ph.D. Mathematics—University of Michigan, 1998
  • M.S.   Mathematics—University of Michigan, 1996
  • B.A.    Mathematics, Economics, and Mathematical Methods in the Social Sciences—Northwestern University, 1993

Professional affiliations

  • Mathematical Association of America (MAA)

Fellowships and awards: 

  • The MAA’s Deborah and Franklin Tepper Haimo Award for Distinguished College or University Teaching of Mathematics, 2012
  • The MAA’s Henry L. Alder Award for Distinguished Teaching by a Beginning College or University Mathematics Faculty Member, 2005
  • MAA Project NExT Fellow, 1999

Courses you teach:

  • MAT130:  Statistics in the Contemporary World
  • MAT231:  Calculus II
  • MAT250:  Problem Solving and Introduction to Proofs
  • MAT305:  Calculus III
  • MAT409:  Discrete Mathematics

Research interests: 

  • Knot Theory
  • Connections of mathematics to philosophy and theology
  • The scholarship of teaching and learning in mathematics
  • Faculty development

Representative scholarly contributions:

  •  2016 “Mastery Problems Promote Polished Proofs in Abstract Algebra,” in Beyond Lecture: Techniques to Improve Student Proof-Writing Across the Curriculum, Schwell, Steurer and Vasquez Eds., MAA Notes Series, No. 85, pp. 293-298.
  • 2015 “Simple and Sustainable Faculty Development Initiatives that Promote Collaboration among all Faculty Members” with Mark Colgan, MathAMATYC Educator, Volume 7, No. 1, pp. 24-26.
  • 2015 “Colorability and Determinants of Twisted Torus Knots” with Matthew Russell and Jonathan Schrock, Involve, Volume 8, No. 3, pp. 361-384.
  • 2015  “A Teaching Polygon Makes Learning a Community Enterprise” with Mark Colgan, PRIMUS (Problems Resources and Issues in Mathematics Undergraduate Studies), Volume 25, Issue 1, pp. 41-49.
  • 2011 “Beauty,” in Mathematics Through the Eyes of Faith, Bradley and Howell Eds., Harper One2009   “Lesson Planning Practices of Mathematics Teaching Assistants:  Procedures and Resources” with Joe Wesley and Dale Winter, Studies in Graduate and Professional Student Development, Volume 12, pp. 97-110
  • 2001 Learning to Teach and Teaching to Learn Mathematics:  Resources for Professional Development with Dale Winter, MAA Notes Series, No. 57. 

Other notable professional activities:

  • Associate Director of MAA’s Project NExT, a national professional development program for new or recent Ph.D.s in the mathematical sciences that addresses all aspects of an academic career
  • Academic Director of MathPath, an international advanced summer program for students age 11-14 who show high promise and love mathematics
  • Chair of the MAA Committee on the Earle Raymond Hedrick Lectures
  • Member of the MAA's Dolciani Editorial Board

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