Boundary Quasi-Orthogonality and Sharp Inclusion Bounds for Large Dirichlet Eigenvalues. - Alex H. Barnett; Andrew Hassell (SIAM J. Numer. Anal., 2011)

Equidistribution of phase shifts in semiclassical potential scattering. - Jesse Gell-Redman; Andrew Hassell; Steve Zelditch (J. Lond. Math. Soc., 2015)

Existence and Asymptotics of Nonlinear Helmholtz Eigenfunctions. - Jesse Gell-Redman; Andrew Hassell; Jacob Shapiro; Junyong Zhang (SIAM J. Math. Anal., 2020)