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CCCG
2010
15 years 6 months ago
On degeneracy of lower envelopes of algebraic surfaces
We analyze degeneracy of lower envelopes of algebraic surfaces. We focus on the cases omitted in the existing complexity analysis of lower envelopes [Halperin and Sharir 1993], an...
Kimikazu Kato
VAMOS
2008
Springer
15 years 6 months ago
Variability Management on Behavioral Models
This paper deals with managing variability on behavioral models. Such models are generally more complex, less tractable by hand than the static, structural parts of a system descr...
Patrick Tessier, David Servat, Sébastien G&...
FCS
2006
15 years 6 months ago
New Approach To A Class Of Matrices
The displacement structure is extended to a Kronecker matrix W Z. A new class of Kronecker-like matrices with the displacement rank r, r < n will be formulated and presented. ...
Z. Chen
DIMACS
2001
15 years 6 months ago
On the Number of Connected Components of the Relative Closure of a Semi-Pfaffian Family
The notion of relative closure (X, Y )0 of a semi-Pfaffian couple (X, Y ) was introduced by Gabrielov to give a description of the o-minimal structure generated by Pfaffian functio...
Andrei Gabrielov, Thierry Zell
CRISIS
2009
15 years 6 months ago
Modeling dependencies in security risk management
This paper develops a framework for analyzing security risk dependencies in organizations and ranking the risks. The framework captures how risk `diffuses' via complex interac...
Tansu Alpcan, Nicholas Bambos