I enjoy working on interesting problems from all areas of mathematics, but my research interests has mainly focused on problems in number theory, algebra, computational mathematics, and recreational mathematics.

Recent Work:

• Characterization of A1-Milnor Numbers of Small Rank, C-Y J. Chan, H., J. Louwsma, M. Wijawa 
• A^1-Brouwer degrees in Macaulay2, Journal of Software for Algebra and Geometry, JSAG 14 (2024), 175–187.  https://doi.org/10.2140/jsag.2024.14.175
• Primes of the Form x^2+y^2 and the Geometry of (Convenient) Numbers, unpublished. 
• Computation of Jacobsthal’s Function h(n) for n<50, Mathematics of Computation,  78 (2009), no. 266, 1073-1087.
• Symbolic Computation of degree-three covariants for a binary form, H. and Glen Wilson ’10
• The probability of relatively prime polynomials in Z_{p^k}[x].  H. and Jeff Hatley ’09