High dimensional polynomial interpolation on sparse grids. - Volker Barthelmann; Erich Novak; Klaus Ritter 001 (Adv. Comput. Math., 2000)

Inter-task register-allocation for static operating systems. - Volker Barthelmann (LCTES-SCOPES, 2002)

Advanced compiling techniques to reduce RAM usage of static operating systems. - Volker Barthelmann (2004)