O

O'Bryant, Kevin - Professor of mathematics at the City University of New York. Number theory, logic (specifically nonstandard analysis), probability, ergodic theory, lattices, game theory, and Fourier analysis.

O'Connor, Sean Erik - Free software for primitive polynomial computation, CRC code generation, coding and decoding, parsing theory and cellular automata.

Olson, Luke - Mathematician at Brown University. Research areas include high-order methods and iterative solvers.