- Ph.D. in Mathematics, University of Oregon
- M.S. in Mathematics, University of Oregon
- B.A. in Economics, University of Pennsylvania
- Homological algebra
- Non-commutative algebraic geometry
- Non-commutative ring theory
- Mathematical Demography
T. Cassidy and C. Phan. Quotients of Koszul algebras and 2-d-determined algebras. Communications in Algebra, 2014.
J.R. Goldstein and T. Cassidy. How slowing senescence translates into longer life expectancy. Population Studies, 2012.
T. Cassidy. Quadratic algebras with ext algebras generated in two degrees. Journal of Pure and Applied Algebra, 2010.
T. Cassidy, C. Phan and B. Shelton. Non-commutative Koszul algebras from combinatorial topology. Journal für die reine und angewandte Mathematik, 2010.
T. Cassidy, C. Phan and B. Shelton. The Yoneda algebra of a K2 algebra need not be another K2 algebra. Communications in Algebra, 2010.
T. Cassidy and M. Vancliff. Generalizations of graded Clifford algebras and of complete intersections. Journal of the London Mathematical Society, 2010.