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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,742 papers · 148 categories

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0111 · Nov 201619922001200920172026
6 results for icosahedron

Explains the Borromean rings, icosahedron, and Poincaré homology sphere.

problem Exploring the relationship between Borromean rings, icosahedron, and Poincaré homology sphere.
method Introduction of topological concepts and geometric construction of icosahedral compound of octahedra.
result Proofs about the orientation-preserving symmetry group of an icosahedron and the linked nature of Borromean rings.

Models for 3D harmonic 1-forms and spinors near singular points.

problem Constructing models for Z/2\mathbb{Z}/2 harmonic 1-forms and spinors in 3D near singular points.
method Using symmetries of tetrahedron, octahedron, and icosahedron to construct local models on R3\mathbb{R}^3.
result Local models are Z/2\mathbb{Z}/2 harmonic 1-forms or spinors on R3\mathbb{R}^3 with zero locus consisting of rays from the origin.

In this article, we describe symplectic and complex toric spaces associated to the five regular convex polyhedra. The regular tetrahedron and the cube are rational and simple, the regular octahedron is not simple, the regular dodecahedron is not rational and the regular icosahedron is neither simple nor rational. We re…

2016-11-30abs ↗pdf ↗

We study the translation surfaces obtained by considering the unfoldings of the surfaces of Platonic solids. We show that they are all lattice surfaces and we compute the topology of the associated Teichmüller curves. Using an algorithm that can be used generally to compute Teichmüller curves of translation covers of p…

2018-11-09abs ↗pdf ↗

The principle of equivariance to symmetry transformations enables a theoretically grounded approach to neural network architecture design. Equivariant networks have shown excellent performance and data efficiency on vision and medical imaging problems that exhibit symmetries. Here we show how this principle can be exte…

2019-02-11abs ↗pdf ↗