The Helmholtz Equation in Random Media: Well-Posedness and A Priori Bounds. - Owen R. Pembery; Euan A. Spence (SIAM/ASA J. Uncertain. Quantification, 2020)

Analysis of a Helmholtz preconditioning problem motivated by uncertainty quantification. - Ivan G. Graham; Owen R. Pembery; Euan A. Spence (Adv. Comput. Math., 2021)