Convergence Rates of General Regularization Methods for Statistical Inverse Problems and Applications. - Nicolai Bissantz; Thorsten Hohage; Axel Munk; Frits Ruymgaart (SIAM J. Numer. Anal., 2007)

The Fréchet Derivative of an Analytic Function of a Bounded Operator with Some Applications. - David S. Gilliam; Thorsten Hohage; Xiao Yi Ji; Frits Ruymgaart (Int. J. Math. Math. Sci., 2009)

Some Asymptotic Theory for Functional Regression and Classification. - Frits Ruymgaart; Jing Wang; Shih-Hsuan Wei; Li Yu (Adv. Decis. Sci., 2011)

Nonparametric estimation of means on Hilbert manifolds and extrinsic analysis of mean shapes of contours. - Leif Ellingson; Vic Patrangenaru; Frits Ruymgaart (J. Multivar. Anal., 2013)

Some asymptotic theory for Silverman's smoothed functional principal components in an abstract Hilbert space. - Gamage Pemantha Lakraj; Frits Ruymgaart (J. Multivar. Anal., 2017)