Deconvolutional determination of the nonlinearity in a semilinear wave equation
N. Hu, R. Killip, M. Vifan, Pure and Applied Analysis 7 (2025) 1–17.

Sobolev spaces adapted to the Schrödinger operator with inverse-square potential
R. Killip, C. Miao, M. Vifan, J. Zhang, J. Zheng, Mathematische Zeitschrift 288 (2018) 1273–1298.