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Deirdre Longacher Smeltzer

DEPARTMENT: Undergraduate Academic Dean's Office

POSITION: VP & Undergrad Academic Dean

LOCATION: Main Campus, Harrisonburg | CC 318

PHONE: (540) 432-4141

EMAIL: deirdre.smeltzer@emu.edu

Deirdre Longacher Smeltzer, Vice President and Undergraduate Academic Dean, began working at EMU in 1998. Prior to 1998, she spent four years as an assistant professor in the Mathematics Department at the University of St. Thomas in St. Paul, MN. Deirdre is an alumna of EMU, where she majored in mathematics, with a Bible minor. She earned an M.S. and a Ph.D. in mathematics from the University of Virginia; Deirdre’s graduate research was in the area of algebraic coding theory. Recent scholarly pursuits have included exploring other branches of combinatorics, co-authoring the book Methods for Euclidean Geometry, and (currently) writing of a second textbook on discrete mathematics. In 2012-13, Deirdre served as the Interim Director of Cross-cultural Programs at EMU. In July of 2013, she moved into the role of Vice President and Undergraduate Academic Dean. In the fall semester of 2013, Deirdre co-led a cross-cultural program to China. Deirdre is married to Sherwyn Smeltzer, has two daughters and a son-in-law, and enjoys reading, cooking, exercise, and travel.

Education

B.A., Eastern Mennonite University, 1987
M.S., Mathematics, University of Virginia, 1990
Ph.D., Mathematics, University of Virginia, 1994

Publications

  • Byer, O., & Smeltzer, D. (2015). Mutually Tangent Spheres in n-Space. Mathematics Magazine, _88_(2), 146-150.
  • Smeltzer, D., & Byer, O. (2014). A 3-D Analog of Steiner’s Porism. Mathematics Magazine, _87_(2), 95-99.
  • Byer, O., Lazebnik, F., & Smeltzer, D. (2010). Methods for Euclidean Geometry. Washington, DC: Mathematical Association of America.
  • Smeltzer, D., & Byer, O. (2007). Exploring Loci in Geometry. Proceedings of the Sixteenth Conference of the ACMS, 114-140.
  • Byer, O., & Smeltzer, D. (2007). Edge bounds in non-hamiltonian k-connected graphs. Discrete Mathematics, 307, 1572-1579.
  • Smeltzer, D., & Byer, O. (2007). A Guide to Mathematics Competency, internally published for use in EMU Foundations of Math course.
  • Davis, J., & Smeltzer, D. (2003). Exponential Numbers of Inequivalent Difference Sets in Z^2{2s+1}. Journal of Combinatorial Designs, 11, 249-259.
  • Smeltzer, D. (1999). Properties of Codes from Difference Sets in 2-Groups. Designs, Codes, and Cryptography, 16, 291-306.

Scholarly Presentations and Abstracts

(Selected Presentations)

  • Smeltzer, D. (2014, August). A Proof of Ptolemy’s Theorem. Presentation at the Mathematical Association of America Math Fest, Portland, OR.
  • Smeltzer, D., & Good, J. (2012, November). Building a Successful Required Cross-cultural Program. Presentation at the NAFSA Region VIII Conference, Alexandria, VA.
  • Smeltzer, D., & Byer, O. (2012, January). Using Methods for Euclidean Geometry in the Classroom. Presentation at the MAA-AMS joint national meeting, Boston, MA.
  • Smeltzer, D. (2011, October). Codes, Ciphers, and Hat Games. Professional development workshop for the Rockingham County Public Schools, Harrisonburg, VA.
  • Smeltzer, D. (2011, October). Spherical Inversions and their Applications to Geometry. Invited colloquium talk, James Madison University, Harrisonburg, VA.
* Byer, O. & Smeltzer, D. (2011, January). Applications of Circular and Spherical Inversions. Presentation at the MAA-AMS joint national meeting, New Orleans, LA.
  • Byer, O., & Smeltzer. D. (2010, November). Applications of Circular and Spherical Inversions. Presentation at the MD-DC-VA sectional meeting of the MAA, George Mason University, Fairfax, VA.
  • Smeltzer, D. (2010, October). Red Hat, Blue Hat: An Introduction to Coding Theory. Invited colloquium talk, Longwood University, Farmville, VA.
  • Smeltzer, D. (2010, February). Red Hat, Blue Hat: An Introduction to Coding Theory. Invited colloquium talk, Mount St. Mary’s University, Emmitsburg, Maryland.
  • Byer, O., & Smeltzer, D. (2008, January). Exploring Loci in Geometry. Presentation at the MAA-AMS joint national meeting, San Diego, CA.
  • Byer, O., & Smeltzer, D. (2007, June). Exploring Loci in Geometry. Presentation at the biannual meeting of the Association of Christians in the Mathematical Sciences, Messiah College, Mechanicsburg, PA.
  • Byer, O., & Smeltzer, D. (2007, April). Exploring Loci in Geometry. Presentation at the MD-DC-VA sectional meeting of the MAA, Roanoke College, Roanoke, VA.
  • Loewen, J., & Smeltzer, D. (2006, June). Counting the Years. Talk at the North Sichuan Medical College, Nanchong, Sichuan province, China.
  • Smeltzer, D. (2005, April). Red Hat, Blue Hat: An Introduction to Coding Theory. Invited colloquium presentation, Randolph-Macon University, Ashland, VA.
  • Smeltzer, D. (2002, January). Historical Data in the Mathematics Classroom. Presentation at the MAA-AMS joint national meeting, San Diego, CA.
  • Smeltzer, D. (2001, November). The Hat Problem. Invited colloquium presentation, James Madison University, Harrisonburg, VA.
  • Smeltzer, D. (1999, October). Codes from Difference Sets in 2-Groups. Invited colloquium presentation, University of Richmond, Richmond, VA.
  • Smeltzer, D. (1998, April). Error-Correcting Codes and Their Applications. Invited colloquium presentation, Augsburg College, Minneapolis, MN.
  • Smeltzer, D. (1996, January). Properties of Codes from Difference Sets in 2-Groups. Presentation at the MAA-AMS joint national meeting, Orlando, FL.
  • Smeltzer, D. (1995, June). An Introduction to Error-Correcting Codes. Invited presentation for the Carleton/St. Olaf Summer Program, Carleton College, Northfield, MN.
  • Smeltzer, D. (1995, March). Codes from Difference Sets in 2-Groups. Invited presentation at the University of Minnesota Combinatorics Seminar, St. Paul, MN.