SnapPy

What is SnapPy?

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SnapPy is a program for studying the topology and geometry of 3-manifolds, with a focus on hyperbolic structures. It runs on Mac OS X, Linux, and Windows, and combines a link editor and 3D-graphics for Dirichlet domains and cusp neighborhoods with a powerful command-line interface based on the Python programming language. You can see it in action, learn how to install it, and watch the tutorial.

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Credits

Written by Marc Culler and Nathan Dunfield using the SnapPea kernel written by Jeff Weeks, with contributions from many others. If you use SnapPy in your work, please cite it as described here.

Released under the terms of the GNU General Public License, version 2 or later.

The development of SnapPy was partially supported by grants from the National Science Foundation, including DMS-0906155 and DMS-0707136. Any opinions, findings, and conclusions or recommendations expressed on this site are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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