On the expansion of the Melnikov function near a double heteroclinic loop with two nilpotent cusps
In this paper, we give all the different topological types of phase portrait for the unperturbed Liénard system <i>ẋ</i>=<i>y</i>, <i>ẏ</i>=-<i>g</i>(<i>x</i>) in the case that deg <i>g</i>(<i>x</i>)=7 and the system has 2, 3, 4 and 5 singular points, respectively. We then give the expansion of Meln...
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| Principais autores: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Academic Journals Center of Shanghai Normal University
2020-06-01
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| coleção: | 上海师范大学学报. 自然科学版 |
| Assuntos: | |
| Acesso em linha: | http://shnu.ijournals.cn/zrkxb/shsfqkszrb/ch/reader/view_abstract.aspx?file_no=20200306 |
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