# Credits

Primary development and maintence:

- Marc Culler
- Nathan Dunfield
- Jeff Weeks

Additional contributions:

- Matthias Goerner, Ptolemy module and verification module.
- Mark Bell, Tracy Hall, Saul Schleimer, Twister.
- Jim Hoste and Morwen Thistlethwaite, manifold and link censuses.
- Abhijit Champanerkar and Ilya Kofman, knot censuses.
- Robert Lipschitz and Jennet Dickinson, improvements to Spherogram.
- Malik Obeidin, link simplification code.
- PARI library.
- QD quad-double library.
- Others, please let Marc or Nathan know if we’ve forgotten you.

## Citing SnapPy

Please cite as:

M. Culler, N. M. Dunfield, and J. R. Weeks, SnapPy, a computer program for studying the geometry and topology of 3-manifolds, http://snappy.computop.org

or in BibTeX format

    @misc{SnapPy,
         author={Culler, Marc and Dunfield, Nathan M. and Weeks, Jeffrey R.},
         title={Snap{P}y, a computer program for studying the topology of $3$-manifolds},
         howpublished={Available at \url{http://snappy.computop.org} (DD/MM/YYYY)},
    }

or as an AMSRef:

    \bib{SnapPy}{misc}{
         author={Culler, Marc},
         author={Dunfield, Nathan M.},
         author={Weeks, Jeffrey R.},
         title={Snap{P}y, a computer program for studying the topology of $3$-manifolds},
         note={Available at \url{http://snappy.computop.org} (DD/MM/YYYY)}
    }

where DD/MM/YYYY should be replaced by the date when you downloaded your copy of SnapPy.