Finite difference on grids with nearly uniform cell area and line spacing for the wave equation on complex domains (PDF, Sebastian Acosta and Vianey Villamizar)

Coupling of Dirichlet-to-Neumann boundary condition and finite difference methods in curvilinear coordinates for multiple scattering (PDF, Sebastian Acosta and Vianey Villamizar)

The distribution of k-free numbers (PDF, Roger Baker and Kevin Powell)

Weyl’s theorem in the measure theory of numbers (PDF, Roger Baker, Ryan Coatney and Glyn Harman)