An unbounded number of canard limit cycles in linear regularizations of piecewise linear systems
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866911383978770432 |
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| author | Huzak, Renato Perez, Otavio Henrique |
| author_facet | Huzak, Renato Perez, Otavio Henrique |
| contents | The purpose of this paper is to study the number of limit cycles of canard type in linear regularizations of piecewise linear systems with non-monotonic transition functions. Using the notion of slow divergence integral and elementary breaking mechanisms, we construct systems with an arbitrary finite number of hyperbolic limit cycles. The Hopf breaking mechanism deals with transition functions with precisely one critical point in the interval $(-1,1)$. On the other hand, the jump breaking mechanism produces any number of limit cycles using transition functions with precisely three critical points in $(-1,1)$. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2601_12602 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | An unbounded number of canard limit cycles in linear regularizations of piecewise linear systems Huzak, Renato Perez, Otavio Henrique Dynamical Systems 34E15, 34E17, 34C40 The purpose of this paper is to study the number of limit cycles of canard type in linear regularizations of piecewise linear systems with non-monotonic transition functions. Using the notion of slow divergence integral and elementary breaking mechanisms, we construct systems with an arbitrary finite number of hyperbolic limit cycles. The Hopf breaking mechanism deals with transition functions with precisely one critical point in the interval $(-1,1)$. On the other hand, the jump breaking mechanism produces any number of limit cycles using transition functions with precisely three critical points in $(-1,1)$. |
| title | An unbounded number of canard limit cycles in linear regularizations of piecewise linear systems |
| topic | Dynamical Systems 34E15, 34E17, 34C40 |
| url | https://arxiv.org/abs/2601.12602 |