Singularity Collisions through Homotopical Dynamical cancellation
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866918509163839488 |
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| author | Lima, Dahisy de Rezende, Ketty Tenório, Denilson |
| author_facet | Lima, Dahisy de Rezende, Ketty Tenório, Denilson |
| contents | We introduce collisions of invariant sets and, in particular, consider dynamical homotopical cancellations that preserve the homotopy type of the underlying singular manifold. We develop the theory of homotopical dynamical cancellation for generalized Gutierrez-Sotomayor (GGS) flows defined on GGS manifolds. This framework extends the classical cancellation theory of Morse flows to the singular setting. To effectively capture these homotopical cancellations, we introduce a GGS chain complex, which encodes essential dynamical and algebraic-topological information. Furthermore, we provide a spectral sequence analysis of a filtered GGS chain complex, demonstrating a bijective correspondence between algebraic cancellations of the modules of the spectral sequence and homotopical dynamical cancellations in the GGS flow. Several illustrative examples are presented, highlighting the practical applicability of the proposed framework. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2605_18114 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Singularity Collisions through Homotopical Dynamical cancellation Lima, Dahisy de Rezende, Ketty Tenório, Denilson Dynamical Systems Primary: 55U15, 58K45, 37B35, 55T05, Secondary: 37B30, 57Mxx We introduce collisions of invariant sets and, in particular, consider dynamical homotopical cancellations that preserve the homotopy type of the underlying singular manifold. We develop the theory of homotopical dynamical cancellation for generalized Gutierrez-Sotomayor (GGS) flows defined on GGS manifolds. This framework extends the classical cancellation theory of Morse flows to the singular setting. To effectively capture these homotopical cancellations, we introduce a GGS chain complex, which encodes essential dynamical and algebraic-topological information. Furthermore, we provide a spectral sequence analysis of a filtered GGS chain complex, demonstrating a bijective correspondence between algebraic cancellations of the modules of the spectral sequence and homotopical dynamical cancellations in the GGS flow. Several illustrative examples are presented, highlighting the practical applicability of the proposed framework. |
| title | Singularity Collisions through Homotopical Dynamical cancellation |
| topic | Dynamical Systems Primary: 55U15, 58K45, 37B35, 55T05, Secondary: 37B30, 57Mxx |
| url | https://arxiv.org/abs/2605.18114 |