Über den Aufwand zur Lösung quadratischer Optimierungsprobleme mit den Algorithmen von Beale und von Lemke. - Ralf Hartmann; P. Reiser (Z. Oper. Research, 1974)

Comparison of different facsimile data compression methods for text, graphics and halftone documents. - Wolfgang Böhm 001; Ralf Hartmann; Günther Ruske (Eur. Trans. Telecommun., 1990)

Synthese von DSP-Algorithmen für flexible Multiprozessorstrukturen. - Ralf Hartmann (1993)

Adaptive Discontinuous Galerkin Finite Element Methods for Nonlinear Hyperbolic Conservation Laws. - Ralf Hartmann; Paul Houston (SIAM J. Sci. Comput., 2003)

Error estimation and adjoint based refinement for an adjoint consistent DG discretisation of the compressible Euler equations. - Ralf Hartmann (Int. J. Comput. Sci. Math., 2007)

Adjoint Consistency Analysis of Discontinuous Galerkin Discretizations. - Ralf Hartmann (SIAM J. Numer. Anal., 2007)

deal.II - A general-purpose object-oriented finite element library. - Wolfgang Bangerth; Ralf Hartmann; Guido Kanschat (ACM Trans. Math. Softw., 2007)

An optimal order interior penalty discontinuous Galerkin discretization of the compressible Navier-Stokes equations. - Ralf Hartmann; Paul Houston (J. Comput. Phys., 2008)

Multitarget Error Estimation and Adaptivity in Aerodynamic Flow Simulations. - Ralf Hartmann (SIAM J. Sci. Comput., 2008)

A discontinuous Galerkin method for inviscid low Mach number flows. - Francesco Bassi; Carmine De Bartolo; Ralf Hartmann; Alessandra Nigro (J. Comput. Phys., 2009)

Smoothed Aggregation Multigrid for the Discontinuous Galerkin Method. - F. Prill; Mária Lukácová-Medvid'ová; Ralf Hartmann (SIAM J. Sci. Comput., 2009)

Error estimation and anisotropic mesh refinement for 3d laminar aerodynamic flow simulations. - Tobias Leicht; Ralf Hartmann (J. Comput. Phys., 2010)

Adjoint-based error estimation and adaptive mesh refinement for the RANS and k-ω turbulence model equations. - Ralf Hartmann; Joachim Held; Tobias Leicht (J. Comput. Phys., 2011)

Discontinuous Galerkin discretization of the Reynolds-averaged Navier-Stokes equations with the shear-stress transport model. - Stefan Schoenawa; Ralf Hartmann (J. Comput. Phys., 2014)

Generalized adjoint consistent treatment of wall boundary conditions for compressible flows. - Ralf Hartmann; Tobias Leicht (J. Comput. Phys., 2015)

Introducing the Wunderkammer as a tool for emotion research: Unconstrained gaze and movement patterns in three emotionally evocative virtual worlds. - Cade McCall; Lea K. Hildebrandt; Ralf Hartmann; Blazej M. Baczkowski; Tania Singer (Comput. Hum. Behav., 2016)