|Coordinates:||JH Michell Theatre in the Richard Berry Building|
|Speakers:||Ben Burton (UQ), Marc Culler (UIC), Nathan Dunfield (UICU)|
|Title:||What are SnapPy and Regina?|
A computer demonstration of SnapPy and Regina.
SnapPy is a program for studying hyperbolic structures on 3-manifolds. It runs on Mac OS X, Linux, and Windows, and is based on the SnapPea kernel created by Jeff Weeks. Features include: manifolds censuses, knot and link entry, drilling and filling, symmetry group, fundamental group, Dirichlet domain and ortholengths.
Regina is a software package for studying normal surfaces and wrangling 3-manifold triangulations. It includes a graphical user interface as well as Python bindings, and runs on Linux and MacOS. Other supported features include angle structures, census enumeration, combinatorial recognition of triangulations, high-level functions such as 3-sphere recognition and connected sum decomposition, and experimental support for piecewise linear 4-manifolds and normal hypersurfaces.