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Control Sets and Total Positivity

✍ Scribed by Víctor Ayala; Wolfgang Kliemann; Luiz A.B. San Martin


Publisher
Springer
Year
2004
Tongue
English
Weight
480 KB
Volume
69
Category
Article
ISSN
0037-1912

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In this paper we define convexity and rational convexity preservation of systems of functions and we show that total positivity and rational convexity preservation are equivalent. We also characterize certain convexity preserving systems in terms of weak Tchebycheff systems. Curve intersections and