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A new bound for Pólya's Theorem with applications to polynomials positive on polyhedra

✍ Scribed by Victoria Powers; Bruce Reznick


Book ID
108357883
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
104 KB
Volume
164
Category
Article
ISSN
0022-4049

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A perturbation theorem for positive cont
✍ Luisa Arlotti 📂 Article 📅 1991 🏛 Springer Netherlands 🌐 English ⚖ 656 KB

In this paper, a criterion is given for assuring that a linear positive contraction C0-semigrou p defined on an Ll-space is generated by the closure of A + B, A and B being suitable unbounded linear operators. Furthermore, this criterion is applied to the transport equation, Kolmogorov's differentia