Preconditioning based on Calderon's formulae for periodic fast multipole methods for Helmholtz' equation. - Kazuki Niino; Naoshi Nishimura (J. Comput. Phys., 2012)

Boundary Integral Equations for Calculating Complex Eigenvalues of Transmission Problems. - Ryota Misawa; Kazuki Niino; Naoshi Nishimura (SIAM J. Appl. Math., 2017)

Characteristic Basis Function Method Combined with Calderón Multiplicative Preconditioner for PMCHWT Formulation. - Tai Tanaka; Kazuki Niino; Naoshi Nishimura (CoRR, 2021)

The Galerkin method for a regularised combined field integral equation without a dual basis function. - Kazuki Niino; Shunpei Yamamoto (CoRR, 2024)