Department of Mathematics and Statistics

Ratnasingham Shivaji, H. Barton Excellence Professor
Department Head

Ratnasingham

Office: Petty 118
Phone: 334-5836
Email address: r_shivaj@uncg.edu
Personal web page: www.uncg.edu/~r_shivaj/
Starting year at UNCG: 2011

Education

Ph.D. in Mathematics, Heriot-Watt University (1981)

Teaching

Spring, 2014
  • MAT 593-01 IND (Directed Study in Mathematics)
  • MAT 711B-01 LEC (Experimental Course: Advanced Ordinary & Partial Differential Equations), W 9:00-12:00, Sullivan Science Building 227

Research Interests

Applied Math, Mathematical Biology
Current Students: Quinn Morris, Byunjae Son

Recent Publications

  • Ko, Eunkyung ; Lee, Eun Kyoung ; Shivaji, R. Multiplicity results for classes of infinite positone problems. Z. Anal. Anwend. 30 (2011), no. 3, 305--318.
  • Lee, Eunkyoung ; Sasi, Sarath ; Shivaji, R. S -shaped bifurcation curves in ecosystems. J. Math. Anal. Appl. 381 (2011), no. 2, 732--741.
  • Ko, Eunkyung ; Lee, Eun Kyoung ; Shivaji, R. On S -shaped and reversed S -shaped bifurcation curves for singular problems. Electron. J. Qual. Theory Differ. Equ. 2011, No. 31, 12 pp.
  • Shivaji, R. ; Ye, Jinglong . Nonexistence results for classes of 3×3 elliptic systems. Nonlinear Anal. 74 (2011), no. 4, 1485--1494.
  • Lee, Eun Kyoung ; Shivaji, R. ; Ye, Jinglong . Classes of infinite semipositone $n \times n$ systems. Differential Integral Equations 24 (2011), no. 3-4, 361--370.

Brief Bio

Dr. Shivaji earned a Ph.D. in 1981 from Heriot-Watt University, Edinburgh, Scotland, and recently joined UNCG as H. Barton Excellence Professor and Head of the Department of Mathematics and Statistics. Prior to joining UNCG he served for twenty-six years at Mississippi State University, where he was honored as a W.L. Giles Distinguished Professor.