Klaus Ritter

Peter Kloeden, Klaus Ritter: Preface: 'Recent advances in the numerical approximation of stochastic partial differential equations'. Int. J. Comput. Math. 89(18): 2441-2442 (2012)

Thomas Müller-Gronbach, Klaus Ritter, Larisa Yaroslavtseva: Derandomization of the Euler scheme for scalar stochastic differential equations. J. Complexity 28(2): 139-153 (2012)

Ben Niu, Fred J. Hickernell, Thomas Müller-Gronbach, Klaus Ritter: Deterministic multi-level algorithms for infinite-dimensional integration on R^N. J. Complexity 27(3-4): 331-351 (2011)

Fred J. Hickernell, Thomas Müller-Gronbach, Ben Niu, Klaus Ritter: Multi-level Monte Carlo algorithms for infinite-dimensional integration on R^N. J. Complexity 26(3): 229-254 (2010)

Jakob Creutzig, Steffen Dereich, Thomas Müller-Gronbach, Klaus Ritter: Infinite-Dimensional Quadrature and Approximation of Distributions. Foundations of Computational Mathematics 9(4): 391-429 (2009)

Thomas Müller-Gronbach, Klaus Ritter: Lower Bounds and Nonuniform Time Discretization for Approximation of Stochastic Heat Equations. Foundations of Computational Mathematics 7(2): 135-181 (2007)

Jakob Creutzig, Thomas Müller-Gronbach, Klaus Ritter: Free-knot spline approximation of stochastic processes. J. Complexity 23(4-6): 867-889 (2007)

Stephan Dahlke, Klaus Ritter, Ian H. Sloan, Joseph F. Traub (Eds.): Algorithms and Complexity for Continuous Problems, 24.09. - 29.09.2006. Dagstuhl Seminar Proceedings 06391, Internationales Begegnungs- und Forschungszentrum fuer Informatik (IBFI), Schloss Dagstuhl, Germany 2007

Knut Petras, Klaus Ritter: On the complexity of parabolic initial-value problems with variable drift. J. Complexity 22(1): 118-145 (2006)

Stephan Dahlke, Klaus Ritter, Ian H. Sloan, Joseph F. Traub: 06391 Abstracts Collection -- Algorithms and Complexity for Continuous Problems. Algorithms and Complexity for Continuous Problems 2006

Leszek Plaskota, Klaus Ritter, Grzegorz W. Wasilkowski: Optimal designs for weighted approximation and integration of stochastic processes on [0, infinity). J. Complexity 20(1): 108-131 (2004)

Leszek Plaskota, Klaus Ritter: Guest Editors' Preface. J. Complexity 20(5): 592 (2004)

Knut Petras, Klaus Ritter: On the Complexity of Parabolic Initial Value Problems with Variable Drift. Algorithms and Complexity for Continuous Problems 2004

Klaus Ritter, Thomas Müller-Gronbach: Lower Bounds and Non-Uniform Time Discretization for Approximation of Stochastic Heat Equations. Algorithms and Complexity for Continuous Problems 2004

Norbert Hofmann, Thomas Müller-Gronbach, Klaus Ritter: Linear vs Standard Information for Scalar Stochastic Differential Equations. J. Complexity 18(2): 394-414 (2002)

Leszek Plaskota, Klaus Ritter, Grzegorz W. Wasilkowski: Average Case Complexity of Weighted Approximation and Integration over R⁺. J. Complexity 18(2): 517-544 (2002)

Norbert Hofmann, Thomas Müller-Gronbach, Klaus Ritter: The Optimal Discretization of Stochastic Differential Equations. J. Complexity 17(1): 117-153 (2001)

Volker Barthelmann, Erich Novak, Klaus Ritter: High dimensional polynomial interpolation on sparse grids. Adv. Comput. Math. 12(4): 273-288 (2000)

Norbert Hofmann, Thomas Müller-Gronbach, Klaus Ritter: Optimal approximation of stochastic differential equations by adaptive step-size control. Math. Comput. 69(231): 1017-1034 (2000)

Ronald Cools, Erich Novak, Klaus Ritter: Smolyak's Construction of Cubature Formulas of Arbitrary Trigonometric Degree. Computing 62(2): 147-162 (1999)

Erich Novak, Klaus Ritter: Some Complexity Results for Zero Finding for Univariate Functions. J. Complexity 9(1): 15-40 (1993)

Mark A. Kon, Klaus Ritter, Arthur G. Werschulz: On the average case solvability of III-posed problems. J. Complexity 7(3): 220-224 (1991)

Klaus Ritter: Approximation and optimization on the Wiener space. J. Complexity 6(4): 337-364 (1990)

Erich Novak, Klaus Ritter: A stochastic analog to Chebyshev centers and optimal average case algorithms. J. Complexity 5(1): 60-79 (1989)

Michael J. Best, Klaus Ritter: Linear Programming: Active Set Analysis and Computer Programs. Prentice-Hall 1985, isbn 0-13-536996-7

Michael J. Best, Klaus Ritter: An Accelerated Conjugate Direction Method to Solve Linearly Constrained Minimization Problems. J. Comput. Syst. Sci. 11(3): 295-322 (1975)

Michael D. Grigoriadis, Klaus Ritter: A Decomposition Method for Structured Linear and Nonlinear Programs. J. Comput. Syst. Sci. 3(4): 335-360 (1969)

Klaus Ritter: A Parametric Method for Solving Certain Nonconcave Maximization Problems. J. Comput. Syst. Sci. 1(1): 44-54 (1967)

Klaus Ritter: A Decomposition Method for Structured Quadratic Programming Problems. J. Comput. Syst. Sci. 1(3): 241-260 (1967)

Klaus Ritter: Ein Verfahren zur Lösung parameterabhängiger, nichtlinearer Maximum-Probleme. Math. Meth. of OR 6(4): 149-166 (1962)