Nil-Equivariant Tropological Sigma Models on Filtered Geometries
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| author | Albrychiewicz, Emil Valiente, Andrés Franco Stites, Christopher |
| author_facet | Albrychiewicz, Emil Valiente, Andrés Franco Stites, Christopher |
| contents | We investigate the behavior of tropological (tropical topological) sigma models on higher dimensional target spaces and show that higher dimensional spaces explicitly admit nested Maslov dequantizations which lead to nontrivial anisotropic filtration structures. We provide a classification of all inequivalent tropological sigma models that can be constructed for the case of 4D targets and show that, generically, the corresponding sigma-models are not defined on foliated geometries like in the 2D case but instead are defined on filtered manifolds. We find that the nontrivial filtration structures lead to enhanced global symmetries characterized by noncompact nilpotent Lie algebras given by the 4 dimensional step 3 Engel algebra on the space of fields. We provide a Nilmanifold lattice regularization of the noncompact symmetry group and use this Nilmanifold symmetry to construct a natural equivariant extension of the tropological sigma model. We conjecture that these equivariant tropological sigma models are associated with a new version of GW invariants on filtered manifolds known as \textit{filtered Gromov Witten invariants |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_23072 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nil-Equivariant Tropological Sigma Models on Filtered Geometries Albrychiewicz, Emil Valiente, Andrés Franco Stites, Christopher High Energy Physics - Theory We investigate the behavior of tropological (tropical topological) sigma models on higher dimensional target spaces and show that higher dimensional spaces explicitly admit nested Maslov dequantizations which lead to nontrivial anisotropic filtration structures. We provide a classification of all inequivalent tropological sigma models that can be constructed for the case of 4D targets and show that, generically, the corresponding sigma-models are not defined on foliated geometries like in the 2D case but instead are defined on filtered manifolds. We find that the nontrivial filtration structures lead to enhanced global symmetries characterized by noncompact nilpotent Lie algebras given by the 4 dimensional step 3 Engel algebra on the space of fields. We provide a Nilmanifold lattice regularization of the noncompact symmetry group and use this Nilmanifold symmetry to construct a natural equivariant extension of the tropological sigma model. We conjecture that these equivariant tropological sigma models are associated with a new version of GW invariants on filtered manifolds known as \textit{filtered Gromov Witten invariants |
| title | Nil-Equivariant Tropological Sigma Models on Filtered Geometries |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2507.23072 |