Christian P. Ullrich

Publication Activity (10 Years)

Years Active: 1975-1999
Publications (10 Years): 0

Publications

Neli S. Dimitrova, Svetoslav Markov, Christian P. Ullrich
Solving Linear Systems with Error Control: Minisymposium within the 4th International Conference NMA'98. Reliab. Comput. 5 (1) (1999)
Evgenija D. Popova, Christian P. Ullrich
Simplication of Symbolic-Numerical Interval Expressions. ISSAC (1998)
Evgenija D. Popova, Christian P. Ullrich
Generalizing BIAS Specifications. J. Univers. Comput. Sci. 3 (1) (1997)
Beat Hörmann, Christian P. Ullrich
Componentwise Error Bounds and Direct Linear System Solving. WNAA (1996)
Evgenija D. Popova, Christian P. Ullrich
Embedding directed intervals in Mathematica. RITA 3 (2) (1996)
Neli S. Dimitrova, Christian P. Ullrich
Verified Solving of Linear Systems with Uncertainties in MAPLE. WNAA (1996)
Christian P. Ullrich
Software for fast validated solution of linear systems. RITA 3 (2) (1996)
C. Falcó Korn, Beat Hörmann, Christian P. Ullrich
Verification May be Better than Estimation. SIAM J. Sci. Comput. 17 (4) (1996)
Christian P. Ullrich, Roman Reith
A reliable linear algebra library for transputer networks. Reliab. Comput. 1 (2) (1995)
Roman Reith, Christian P. Ullrich
Coarse-grain parallelizations of interval algorithms decomposing dense matrices and solving triangular systems on multicomputers. Computing 53 (3-4) (1994)
Gerd Bohlender, Christian P. Ullrich, Jürgen Wolff von Gudenberg
New developments in Pascal-SC. ACM SIGPLAN Notices 23 (8) (1988)
Thomas Ottmann, Gerald Thiemt, Christian P. Ullrich
Numerical Stability of Geometric Algorithms. SCG (1987)
Thomas Ottmann, Gerald Thiemt, Christian P. Ullrich
Numerical Stability of simple Geometric Algorithms in the plane. Computation Theory and Logic (1987)
J. Hartmut Bleher, Siegfried M. Rump, Ulrich W. Kulisch, M. Metzger, Christian P. Ullrich, W. Walter
FORTRAN-SC a study of a FORTRAN extension for engineering/scientific computation with access to ACRITH. Computing 39 (2) (1987)
Rudi Klatte, Christian P. Ullrich, Jürgen Wolff von Gudenberg
Arithmetic Specification for Scientific Computation in ADA. IEEE Trans. Computers 34 (11) (1985)
Christian P. Ullrich
Rechnerarithmetik und die Weiterentwicklung von FORTRAN / Computer arithmetic and the development of FORTRAN. Elektron. Rechenanlagen 26 (2) (1984)
Christian P. Ullrich
A FORTRAN Extension for Scientific Computation. IMACS World Congress (1982)
Christian P. Ullrich
FORTRAN - Erweiterung für wissenschaftliches Rechnen. Wissenschaftliches Rechnen und Programmiersprachen (1982)
Gerd Bohlender, Edgar Kaucher, Rudi Klatte, Ulrich W. Kulisch, Willard L. Miranker, Christian P. Ullrich, Jürgen Wolff von Gudenberg
FORTRAN for contemporary numerical computation. Computing 26 (4) (1981)
Rudi Klatte, Christian P. Ullrich
On conversions between screens. Computing 24 (2-3) (1980)
Rudi Klatte, Christian P. Ullrich
Complex sector arithmetic. Computing 24 (2-3) (1980)
Rudi Klatte, Christian P. Ullrich
Consequences of a properly implemented computer arithmetic for periodicities of iterative methods. IEEE Symposium on Computer Arithmetic (1975)
Christian P. Ullrich
Über die beim numerischen Rechnen mit komplexen Zahlen und Intervallen vorliegenden mathematischen Strukturen. Computing 14 (1-2) (1975)