Research Interests

• My main research focus is on number theory, in particular, elliptic functions, modular forms, partition theory and basic hypergeometric series.
• I'm also interested in Problem Solving, the teaching of mathematics at the undergraduate level, as well as the use of technology in teaching.

My Erdös number is at most 4, via Toh - Chan - Berndt - Chowla - Erdös

Journal Publications

• Ramanujan type identities and congruences for partition pairs.
  Discrete Math. 312 (2012) 1244-1250.pdf
• Differential equations satisfied by Eisenstein series of level 2.
  Ramanujan J., 25 (2011) 179-194. pdf
• A new class of theta function identities in two variables. (with R. Chapman and W. Hart)
  J. Comb. Number Theory, 2 (2010) 201-208 pdf
• New analogues of Ramanujan's partition identities. (with H.H. Chan)
  J. Number Theory 130 (2010) 1898-1913. pdf
• Representations of certain binary quadratic forms as Lambert series.
  Acta Arith. 143 (2010) 227-237. pdf
• Quintic and septic Eisenstein series. (with S. Cooper)
  Ramanujan J., 19 (2009) 163-181. pdf
• Determinant identities for theta functions. (with S. Cooper)
  J. Math. Anal. Appl., 347 (2008) 1-7. pdf
• Generalized m-th order Jacobi theta functions and the Macdonald identities.
  Int. J. Number Theory, 4 (2008) 461-474. pdf
• Ramanujan's Eisenstein series and powers of Dedekind's eta-function.(with H.H. Chan and S. Cooper)
  J. London Math. Soc., 75 (2007) 225-242. pdf
• The 26th power of the Dedekind's eta function.(with H.H. Chan and S. Cooper)
  Adv. Math., 207 (2006) 532-543. pdf