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Cubic Kolmogorov system with invariant straight lines

✍ Scribed by E. Sáez; I. Szántó; E. González-Olivares


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
202 KB
Volume
47
Category
Article
ISSN
0362-546X

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📜 SIMILAR VOLUMES


A cubic Kolmogorov system with six limit
✍ N.G. Lloyd; J.M. Pearson; E Saéz; I. Szántó 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 950 KB

we consider a class of cubic Kolmogorov systems. We show in particular that a maximum of six small amplitude limit cycles can bifurcate from a critical point in the first quadrant, and we discuss the number of invariant lines.

Straight line embeddings of cubic planar
✍ Jim Geelen; Anjie Guo; David McKinnon 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 87 KB

## Abstract We prove that every simple cubic planar graph admits a planar embedding such that each edge is embedded as a straight line segment of integer length. © 2008 Wiley Periodicals, Inc. J Graph Theory 58:270‐274, 2008