# Robinson

**Stephen B. Robinson
Professor of Mathematics**

Office: Manchester 332

Phone: (336) 758-4887

Home Page:

Email: sbr ‘at’ wfu.edu

**Degrees:**

BA, University of California at Santa Cruz, 1986

Ph.D., University of California at Santa Cruz, 1991

**Research Interests:** Partial Differential Equations; Calculus of Variations; Economic Modeling

**Papers:**

Drábek, Pavel; Robinson, Stephen B. Multiple positive solutions for elliptic boundary value problems. Rocky Mountain J. Math. 36 (2006), no. 1, 97–113.

Robinson, Stephen B.; Rudd, Matthew. Multiplicity results for semipositone problems on balls. Dynam. Systems Appl. 15 (2006), no. 1, 133–146.

Drabek, Pavel and Robinson, Stephen B. Eigenvalue problems, resonance problems and open problems. Variational methods: open problems, recent progress, and numerical algorithms, 141-149, Contemp. Math., 357, Amer. Math. Soc., Providence, RI, 2004.

Robinson, Stephen B. On the second eigenvalue for nonhomogeneous quasi-linear operators. SIAM J. Math. Anal. 35 (2004), no. 5, 1241–1249 (electronic).

Robinson, Stephen B. On the average value for nonconstant eigenfunctions of the p-Laplacian assuming Neumann boundary data. Proceedings of the Fifth Mississippi State Conference on Differential Equations and Computational Simulations (Mississippi State, MS, 2001), 251-256 (electronic), Electron. J. Differ. Equ. Conf., 10, Southwest Texas State Univ., San Marcos, TX, 2003.

Drabek, P. and Robinson, S. Landesman-Lazer problems for the p-Laplacian. Partial differential equations, 171–181, Lecture Notes in Pure and Appl. Math., 229, Dekker, New York, 2002.

Drabek, Pavel and Robinson, Stephen B. On the generalization of the Courant nodal domain theorem. J. Differential Equations 181 (2002), no. 1, 58–71.

**Classes:** Calculus, Ordinary and Partial Differential Equations, Modern and Differential Geometry, Real and Complex Analysis, Mathematical Economics, Explorations in Mathematics

**Personal Interests:** Mostly, I look forward to time spent with my wife, Susan, and my children, Sam and Scott. Volunteering at their schools, vacations at the beach, and long driving trips to California all come to mind.