کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
842819 | 908539 | 2010 | 16 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Non-isochronicity of the center in polynomial Hamiltonian systems
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Non-isochronicity of the center in polynomial Hamiltonian systems Non-isochronicity of the center in polynomial Hamiltonian systems](/preview/png/842819.png)
چکیده انگلیسی
In 2002 Jarque and Villadelprat proved that planar polynomial Hamiltonian systems of degree 4 have no isochronous centers and raised an open question for general planar polynomial Hamiltonian systems of even degree. Recently, it was proved that a planar polynomial Hamiltonian system is non-isochronous if a quantity, denoted by M2m−2M2m−2, can be computed such that M2m−2≤0M2m−2≤0. As a corollary of this criterion, the open question was answered for those systems with only even degree nonlinearities. In this paper we consider the case of M2m−2>0M2m−2>0 and give a new criterion for non-isochronicity. Applying the new criterion, we also answer the open question for some cases in which some terms of odd degree are included.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nonlinear Analysis: Theory, Methods & Applications - Volume 73, Issue 1, 1 July 2010, Pages 228–243
Journal: Nonlinear Analysis: Theory, Methods & Applications - Volume 73, Issue 1, 1 July 2010, Pages 228–243
نویسندگان
Zhaoxia Wang, Xingwu Chen, Weinian Zhang,