Helmut Ratschek

Publication Activity (10 Years)

Years Active: 1969-2005
Publications (10 Years): 0

Publications

Helmut Ratschek, Jon G. Rokne
Scci-hybrid Methods for 2d Curve Tracing. Int. J. Image Graph. 5 (3) (2005)
Helmut Ratschek, Jon G. Rokne
A Two-Dimensional Ellipse - Rectangle Intersection Test. J. Math. Model. Algorithms 1 (4) (2002)
Helmut Ratschek, Jon G. Rokne, M. Leriger
Robustness in GIS algorithm implementation with application to line simplification. Int. J. Geogr. Inf. Sci. 15 (8) (2001)
Marina L. Gavrilova, Helmut Ratschek, Jon G. Rokne
Exact Computation of Delaunay and Power Triangulations. Reliab. Comput. 6 (1) (2000)
Helmut Ratschek, Jon G. Rokne
Introduction to the Special Issue: What Can One Learn from Box-Plane Intersections? Reliab. Comput. 6 (1) (2000)
Helmut Ratschek, Jon G. Rokne
Exact and Optimal Convex Hulls in 2D. Int. J. Comput. Geom. Appl. 10 (2) (2000)
Helmut Ratschek, Jon G. Rokne
How trivial are reliable box-plane intersections? Comput. Aided Des. 32 (11) (2000)
Helmut Ratschek, Jon G. Rokne
Exact computation of the sign of a finite sum. Appl. Math. Comput. 99 (2-3) (1999)
Christiane Görges, Helmut Ratschek
Global Interval Methods for Local Nonsmooth Optimization. J. Glob. Optim. 14 (2) (1999)
Helmut Ratschek, Jon G. Rokne
Test for intersection between box and tetrahedron. Int. J. Comput. Math. 65 (3-4) (1997)
Helmut Ratschek, Jon G. Rokne
Reliable Computing Special Issue on Reliable Geometric Computations. Reliab. Comput. 3 (4) (1997)
Helmut Ratschek, Jon G. Rokne
The relationship between a rectangle and a triangle. Vis. Comput. 12 (7) (1996)
Helmut Ratschek, Jon G. Rokne
Formulas for the width of interval products. Reliab. Comput. 1 (1) (1995)
Helmut Ratschek, Jon G. Rokne
Box-sphere intersection tests. Comput. Aided Des. 26 (7) (1994)
Helmut Ratschek, Jon G. Rokne
Experiments using interval analysis for solving a circuit design problem. J. Glob. Optim. 3 (4) (1993)
Helmut Ratschek, Jon G. Rokne
Test for intersection between plane and box. Comput. Aided Des. 25 (4) (1993)
Helmut Ratschek, Rudolf L. Voller
What can interval analysis do for global optimization? J. Glob. Optim. 1 (2) (1991)
Ramon E. Moore, Helmut Ratschek
Inclusion functions and global optimization II. Math. Program. 41 (1-3) (1988)
Helmut Ratschek
Inclusion functions and global optimization. Math. Program. 33 (3) (1985)
Helmut Ratschek, W. Sauer
Linear interval equations. Computing 28 (2) (1982)
Helmut Ratschek
Representation of interval operations by coordinates. Computing 24 (2-3) (1980)
Helmut Ratschek
Nichtnumerische Aspekte der Intervallmathematik. Interval Mathematics (1975)
Klaus Ecker, Helmut Ratschek
Eigenschaften der von linearen Automaten erkennbaren Worte. Acta Informatica 3 (1974)
Helmut Ratschek
Über das Produkt von Intervallpolynomen. Computing 13 (3-4) (1974)
Helmut Ratschek
Gleichheit von Produkt und Formalprodukt bei Intervallpolynomen. Computing 10 (3) (1972)
Helmut Ratschek, Gunnar Schröder
Über die Ableitung von intervallwertigen Funktionen. Computing 7 (3-4) (1971)
Helmut Ratschek
Die binären Systeme der Intervallarithmetik. Computing 6 (3-4) (1970)
Helmut Ratschek
Über einige intervallarithmetische Grundbegriffe. Computing 4 (1) (1969)