Computability of the Spectrum of Self-Adjoint Operators. - Vasco Brattka; Ruth Dillhage (J. Univers. Comput. Sci., 2005)

On Computable Compact Operators on Banach Spaces. - Vasco Brattka; Ruth Dillhage (CCA, 2006)

Preface. - Douglas Cenzer; Ruth Dillhage; Tanja Grubba; Klaus Weihrauch (CCA, 2006)

Computability of the Spectrum of Self-Adjoint Operators and the Computable Operational Calculus. - Ruth Dillhage (CCA, 2007)

Preface. - Ruth Dillhage; Tanja Grubba; Andrea Sorbi; Klaus Weihrauch; Ning Zhong 002 (CCA, 2007)

Computability of compact operators on computable Banach spaces with bases. - Vasco Brattka; Ruth Dillhage (Math. Log. Q., 2007)

Preface. - Vasco Brattka; Ruth Dillhage; Tanja Grubba; Angela Klutsch (CCA, 2008)

Computability of the Metric Projection Onto Finite-dimensional Linear Subspaces. - Ruth Dillhage; Vasco Brattka (CCA, 2008)

Computability of finite-dimensional linear subspaces and best approximation. - Vasco Brattka; Ruth Dillhage (Ann. Pure Appl. Log., 2010)

Computable functional analysis: compact operators on computable banach spaces and computable best approximation. - Ruth Dillhage (2012)

Anforderungsmanagement in großen IT-Projekten. - Kai Engel; Bernhard Fechner; Alicja Berthold-Kraiczy; Andreas Homrighausen; Ruth Dillhage (Inform. Spektrum, 2018)