## Robert Fitzgerald

### Emeritus/Deceased

Professor; Ph.D., UCLA, 1980. Quadratic forms and algebra.

## Research Interests

Quadratic Forms--over integers, over arbitrary fields (Witt rings) and over finite fields with applications to codes and sequences.

## Selected Publications

- Represented value sets for integral binary quadratic forms and lattices (with A. Earnest),
*Proceedings of AMS*135 (2007), 2765-3770. - Highly degenerate quadratic forms over F_2.
*Finite Fields and Their Applications*13 (2007) 778-792. - Factors of Dickson polynomials over finite fields (with J. Yucas).
*Finite Fields and Their Applications*11 (2005) 724--737. - Picard groups of Witt rings.
*Math. Zeitschrift*206 (1991) 303--319. - Quadratic forms of height two.
*Transaction of Amer. Math. Soc*. 283 (1984) 339--351.