Abstractions blog Undergraduate Math Student Pushes Frontier of Graph Theory At 21, Ashwin Sah has produced a body of work that senior mathematicians say is nearly unprecedented for a college student.

Maurice M. Tatsuoka, Graph Theory and Its Applications in Educational Research: A Review and Integration, Review of Educational Research, Vol. 56, No. 3 (Autumn, 1986), pp. 291-329 ...