# Research

## Geometry Group

### Seminars

### Core Faculty

- Michael Gage—Differential geometry, NonlinearPDEs, Online Math Education; Co-creator of WeBWorK online homework system
- Sema Salur—Differential geometry, Geometric analysis
- Stephen Kleene—Riemannian geometry, Nonlinear PDEs, Mean Curvature Flow, Minimal Surfaces

### Faculty with Close Research Interests

- Fred Cohen—Algebraic Topology – specifically Homotopy Theory; Cohomology of groups; Braid groups, function spaces, simplicial groups, configuration spaces and interconnections
- Allan Greenleaf—Harmonic analysis, microlocal analysis, PDEs
- Saul Lubkin—Algebraic geometry, homological algebra; Construction of algebraic-topological like invariants in algebraic geometry

### Emeritus Faculty

- John Harper—H-spaces, co-H-spaces, Lusternik-Schnirrelmann category and other topics in unstable homotopy theory
- Published books:
*Secondary cohomology operations*, AMS Graduate Studies in Mathematics 49, 2002*Algebraic Topology, A First Course*with Marvin Greenberg, Perseus Books Publishing LLC

- Published books:

### Past Graduate Students

*A partial list of past graduate students in Geometry and their current positions.*

- Hyunjoo Cho (2012, Salur)
- Albert James (AJ) Todd (2011, Salur) - University of California at Riverside, Riverside, California
- Zokhrab Moustafaev (2003, Gage) - University of Houston Clear Lake, Houston, Texas
- Alina Stancu (1996, Gage) - Concordia University, Montreal, Canada
- Yingzhong Wen (1994, Gage) - Industry
- Jeff Oaks (1991, Gage) - University of Indianapolis
- Young Doo Chai (1987, Gage) - Sungkyunkwan University Seoul, Korea