Lissajous Varieties
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866910025956458496 |
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| author | Mascarin, Francesco Maria Telen, Simon |
| author_facet | Mascarin, Francesco Maria Telen, Simon |
| contents | This paper studies affine algebraic varieties parametrized by sine and cosine functions, generalizing algebraic Lissajous figures in the plane. We show that, up to a combinatorial factor, the degree of these varieties equals the volume of a polytope. We deduce defining equations from rank constraints on a matrix with polynomial entries. We discuss applications of Lissajous varieties in dynamical systems, in particular the Kuramoto model. This leads us to study connections with convex optimization and Lissajous discriminants. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_06844 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Lissajous Varieties Mascarin, Francesco Maria Telen, Simon Algebraic Geometry This paper studies affine algebraic varieties parametrized by sine and cosine functions, generalizing algebraic Lissajous figures in the plane. We show that, up to a combinatorial factor, the degree of these varieties equals the volume of a polytope. We deduce defining equations from rank constraints on a matrix with polynomial entries. We discuss applications of Lissajous varieties in dynamical systems, in particular the Kuramoto model. This leads us to study connections with convex optimization and Lissajous discriminants. |
| title | Lissajous Varieties |
| topic | Algebraic Geometry |
| url | https://arxiv.org/abs/2509.06844 |