𝔖 Bobbio Scriptorium
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Generalized theorems of Liénard and Shepherd

✍ Scribed by G. F. Korsakov

Book ID
105092988
Publisher
SP MAIK Nauka/Interperiodica
Year
1977
Tongue
English
Weight
411 KB
Volume
22
Category
Article
ISSN
0001-4346

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📜 SIMILAR VOLUMES

Generalized quadratic Liénard equations
Generalized quadratic Liénard equations
✍ S. Lynch 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 247 KB

In this article we give explicit formulae for the Liapunov quantities of generalized Li@nard systems with either quadratic damping or restoring coefficients. These quantities provide necessary conditions in order for the origin to be a centre. Recent results are also presented for these systems.

Generalized cubic Liénard equations
Generalized cubic Liénard equations
✍ S. Lynch 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 283 KB

This article presents a new method for determining the Liapunov quantities of Li4nard systems with either cubic damping or restoring terms. The first eleven quantities have been computed on a PC, whereas the algorithm used previously requires the use of high powered computers with lots of memory. Th