I am a fourth year mathematics graduate student at Columbia University. I have the pleasure and privilege to converse regularly with Aise Johan de Jong. Geometry fascinates me, with algebraic methods my preferred means of exploration. In particular, I think a lot about rational curves, rationality problems, and geometry in positive characteristic.

Current Projects

During the Fall of 2019, I am:

Contact

email:
rcheng@math.columbia.edu
address:

Department of Mathematics
Columbia University
2990 Broadway
New York, NY 10027