| 1999 |
| 14 | EE | Neli S. Dimitrova,
Svetoslav Markov,
Christian P. Ullrich:
Solving Linear Systems with Error Control: Minisymposium within the 4th International Conference NMA'98.
Reliable Computing 5(1): 97-100 (1999) |
| 1998 |
| 13 | EE | Evgenija D. Popova,
Christian P. Ullrich:
Simplication of Symbolic-Numerical Interval Expressions.
ISSAC 1998: 207-214 |
| 1997 |
| 12 | EE | Evgenija D. Popova,
Christian P. Ullrich:
Generalizing BIAS Specifications.
J. UCS 3(1): 23-41 (1997) |
| 1996 |
| 11 | | Neli S. Dimitrova,
Christian P. Ullrich:
Verified Solving of Linear Systems with Uncertainties in MAPLE.
WNAA 1996: 142-149 |
| 10 | | B. Hörmann,
Christian P. Ullrich:
Componentwise Error Bounds and Direct Linear System Solving.
WNAA 1996: 184-191 |
| 9 | | Christian P. Ullrich:
Software for fast validated solution of linear systems.
RITA 3(2): 21-34 (1996) |
| 8 | | Evgenija D. Popova,
Christian P. Ullrich:
Embedding directed intervals in Mathematica.
RITA 3(2): 99-116 (1996) |
| 1988 |
| 7 | EE | Gerd Bohlender,
Christian P. Ullrich,
Jürgen Wolff von Gudenberg:
New developments in Pascal-SC.
SIGPLAN Notices 23(8): 83-92 (1988) |
| 1987 |
| 6 | | Thomas Ottmann,
Gerald Thiemt,
Christian P. Ullrich:
Numerical Stability of simple Geometric Algorithms in the plane.
Computation Theory and Logic 1987: 277-293 |
| 5 | EE | Thomas Ottmann,
Gerald Thiemt,
Christian P. Ullrich:
Numerical Stability of Geometric Algorithms.
Symposium on Computational Geometry 1987: 119-125 |
| 1985 |
| 4 | | Rudi Klatte,
Christian P. Ullrich,
Jürgen Wolff von Gudenberg:
Arithmetic Specification for Scientific Computation in ADA.
IEEE Trans. Computers 34(11): 996-1005 (1985) |
| 1982 |
| 3 | | Ulrich W. Kulisch,
Christian P. Ullrich:
Wissenschaftliches Rechnen und Programmiersprachen, Fachseminar des German Chapter of the ACM am 2. und 3.4.1982 in Karlsruhe
Teubner 1982 |
| 2 | | Christian P. Ullrich:
A FORTRAN Extension for Scientific Computation.
IMACS World Congress 1982: 301-305 |
| 1 | | Christian P. Ullrich:
FORTRAN - Erweiterung für wissenschaftliches Rechnen.
Wissenschaftliches Rechnen und Programmiersprachen 1982: 51-70 |