Subdivision of Simplicial Complex
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908668899885056 |
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| author | Mishra, Sanjay |
| author_facet | Mishra, Sanjay |
| contents | This paper provides a self-contained exploration of subdivisions of simplicial complexes, with emphasis on barycentric subdivision. We present formal definitions of subdivisions, show how the realization of a complex is preserved under subdivision, and illustrate these concepts with explicit examples and detailed diagrams. The paper develops the general method of constructing subdivisions by starring from interior points, leading to the standard barycentric and derived subdivisions. We give precise statements and proofs demonstrating that repeated barycentric subdivision reduces the mesh below any prescribed scale, ensuring compatibility with given metrics and enabling applications such as simplicial approximation and homological analysis. Examples and TikZ illustrations clarify the structure of iterated subdivisions for finite complexes, highlighting their geometric and topological properties. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_17096 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Subdivision of Simplicial Complex Mishra, Sanjay General Topology 55U05 and 55U10 This paper provides a self-contained exploration of subdivisions of simplicial complexes, with emphasis on barycentric subdivision. We present formal definitions of subdivisions, show how the realization of a complex is preserved under subdivision, and illustrate these concepts with explicit examples and detailed diagrams. The paper develops the general method of constructing subdivisions by starring from interior points, leading to the standard barycentric and derived subdivisions. We give precise statements and proofs demonstrating that repeated barycentric subdivision reduces the mesh below any prescribed scale, ensuring compatibility with given metrics and enabling applications such as simplicial approximation and homological analysis. Examples and TikZ illustrations clarify the structure of iterated subdivisions for finite complexes, highlighting their geometric and topological properties. |
| title | Subdivision of Simplicial Complex |
| topic | General Topology 55U05 and 55U10 |
| url | https://arxiv.org/abs/2511.17096 |