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Main Author: Schwartz, Richard Evan
Format: Preprint
Published: 2023
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Online Access:https://arxiv.org/abs/2307.12259
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author Schwartz, Richard Evan
author_facet Schwartz, Richard Evan
contents In this paper I will unite two games, symplectic billiards and tiling billiards. The new game is called symplectic tiling billiards. I will prove a result about periodic orbits of symplectic tiling billiards in a very special case and then show how this result combines with the construction in Thurston's paper {\it Shapes of Polyhedra\/} to give hyperbolic structures on moduli spaces of planar equilateral polygons. One corollary is that the configuration space of the hexagonal planar linkage with unit-length rods (modulo isometry) has an algebraically defined hyperbolic structure in which it is a $10$-cusped hyperbolic $3$-manifold that is tiled by $15$ regular ideal octahedra. The $10$ cusps correspond to the $10$ maximally degenerate configurations.
format Preprint
id arxiv_https___arxiv_org_abs_2307_12259
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Symplectic Tiling Billiards, Planar Linkages, and Hyperbolic Geometry
Schwartz, Richard Evan
Dynamical Systems
In this paper I will unite two games, symplectic billiards and tiling billiards. The new game is called symplectic tiling billiards. I will prove a result about periodic orbits of symplectic tiling billiards in a very special case and then show how this result combines with the construction in Thurston's paper {\it Shapes of Polyhedra\/} to give hyperbolic structures on moduli spaces of planar equilateral polygons. One corollary is that the configuration space of the hexagonal planar linkage with unit-length rods (modulo isometry) has an algebraically defined hyperbolic structure in which it is a $10$-cusped hyperbolic $3$-manifold that is tiled by $15$ regular ideal octahedra. The $10$ cusps correspond to the $10$ maximally degenerate configurations.
title Symplectic Tiling Billiards, Planar Linkages, and Hyperbolic Geometry
topic Dynamical Systems
url https://arxiv.org/abs/2307.12259