Publications


Publication

Spurformen und reelle Nullstellen
Thorsten Wörmann, Diplomarbeit Mathematik, 1991


On the Trace Formula for Quadratic Forms

E. Becker, T. Wörmann
Recent Advances in Real Algebraic Geometry and Quadratic Forms, Proceedings of the RAGSQUAD Year, Berkeley 1990-1991, W. B. Jacob, T.-Y. Lam, R. O. Robson (editors), Contemporary Mathematics 155, 271-291 (1994)
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Radical Computations of Zero-dimensional Ideals and Real Root Counting
E. Becker, T. Wörmann
Mathematics and Computers in Simulation 42, 561-569 (1996)
(scanned version)
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Zeroes, Multiplicities and Idempotents for Zerodimensional Systems
M. Alonso, E. Becker, M.-F. Roy, T. Wörmann
Progress in Mathematics 43 1-15 (1996)
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Real root counting
E. Becker, T. Wörmann
POSSO report
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An Algorithm for Sums of Squares of Real Polynomials
V. Powers, T. Wörmann
J. of Pure and Applied Algebra 127 (1998)
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Deciding positivity of real polynomials
E. BeckerV. Powers, T. Wörmann
Contemporary Mathematics, Volume 253 (2000)
(scanned version)
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Short algebraic proofs of theorems of Polya and Schmüdgen
T. Wörmann
preprint
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Positive polynomials and tame preoderings
R. Berr, T. Wörmann
Mathematische Zeitschrift , Volume 236, Number 4 (2001)
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Strikt positive Polynome in der semialgebraischen Geometrie
T. Wörmann
Dissertation, Dortmund 1998
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Positive polynomials on compact sets
R. Berr, T. Wörmann
manuscripta mathematica, Volume 104, Number 2 (2001)
(scanned version)
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