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Contact Information

Department of Mathematics
MCT 250
Shippensburg University
Shippensburg, PA 17257
Phone: (717) 477-1431
Fax: (717) 477-4009
math@ship.edu

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Department of Mathematics Faculty

Ji Young Choi

Ph.D., Mathematics
Iowa State University

Office: MCT 278
Phone: (717) 477-1578
E-mail: jychoi@ship.edu

Personal web page: http://webspace.ship.edu/jychoi/

Recent courses

  • Finite Math (In-class & Online )
  • Basic Math Model
  • Pre Calculus
  • Applied Calculus
  • Calculus I
  • Calculus II
  • Abstract Algebra
  • Linear Algebra
  • Differential Equations
  • Math490: Computational Mathematics

Recent projects and activities

  • (With J.D.H. Smith) Recurrences for Tri-restricted numbers, J. Comb. Math. Comb. Comp., 58 (2006) 3-11.
  • (With Long, Ng, Smith) Reciprocity for Stirling and multirestricted numbers, J. Comb. Th., Ser. A, Ars. Com., 113 (2006), 1050-1060.
  • (With J.D.H. Smith) On the combinatorics of multi-restricted numbers, Ars. Comb., 75 (2005), pp. 44-63.
  • (With J.D.H. Smith) On the Unimodality and Combinatorics of the Bessel Numbers, Discrete Math., 264 (2003), 45-53.
  • (With DeAlba, Hogben, Kivunge, Nordstrom, Shedenhelm) The Nonnegative P0 -Matrix Completion Problem, ELA 10 (2003), 46-59.
  • (With DeAlba, Hogben, Maxwell, Wangsness) The P0-matrix completion problem, ELA, 9 (2002), 1-20.
  • (With J.D.H. Smith) The Tri-restricted Numbers and Powers of Permutation Representations, J. Comb. Math. Comb. Comp., 42 (2002), 113-125.