Search

Your search keyword '"Wyss, Christian"' showing total 60 results
Start Over Author "Wyss, Christian"
60 results on '"Wyss, Christian"'

52. Dichotomous Hamiltonians with unbounded entries and solutions of Riccati equations.

Author

Tretter, Christiane and Wyss, Christian

Abstract

An operator Riccati equation from systems theory is considered in the case that all entries of the associated Hamiltonian are unbounded. Using a certain dichotomy property of the Hamiltonian and its symmetry with respect to two different indefinite inner products, we prove the existence of nonnegative and nonpositive solutions of the Riccati equation. Moreover, conditions for the boundedness and uniqueness of these solutions are established. [ABSTRACT FROM AUTHOR]

Published
2014
Full Text
View/download PDF

55. Computing the quadratic numerical range.

Author

Jacob, Birgit, Vorberg, Lukas, and Wyss, Christian

Subjects
*MATRIX norms, *STATISTICAL sampling, *SAMPLING methods, *NEIGHBORHOODS, *PROBABILITY theory
Abstract

A novel algorithm for the computation of the quadratic numerical range is presented and exemplified yielding much better results in less time compared to the random vector sampling method. Furthermore, a bound on the probability for the random vector sampling method to produce a point exceeding a neighborhood of the expectation value in dependence on norm and size of the matrix is given. [ABSTRACT FROM AUTHOR]

Published
2025
Full Text
View/download PDF

58. Dichotomous Hamiltonians with unbounded entries and solutions of Riccati equations

Author

Tretter, Christiane, Wyss, Christian, Tretter, Christiane, and Wyss, Christian

Abstract

An operator Riccati equation from systems theory is considered in the case that all entries of the associated Hamiltonian are unbounded. Using a certain dichotomy property of the Hamiltonian and its symmetry with respect to two different indefinite inner products, we prove the existence of nonnegative and nonpositive solutions of the Riccati equation. Moreover, conditions for the boundedness and uniqueness of these solutions are established.

59. Negotiating Third Party Manufacturing Agreements.

Author

Wyss, Christian

Abstract

The article discusses the negotiating manufacturing agreements for beneficial working relationships between the developing company and its third party manufactures. It presents the three stages of cooperation such as agreement compliance between parties, evaluation of cornerstones, and, project plan conversion to legally binding agreement. It also notes the issues to be included in drafting the agreement including intellectual property rights, regulatory, and governing law and jurisdiction.

Published
2010

Catalog

Books, media, physical & digital resources
See catalog results