# SmallCover -- the class of all small covers

## Description

A small cover is represented by a simplicial complex K and matrix which is characteristic for K.

## Methods that use a small cover :

• "bettiSmallCover(SmallCover)" -- see bettiSmallCover -- Compute the betti numbers of a small cover
• "bettiSmallCover(ZZ,SmallCover)" -- see bettiSmallCover -- Compute the betti numbers of a small cover
• "cohomologyRing(SmallCover)" -- see cohomologyRing -- Compute the cohomology ring of a small cover or quasi-toric manifold
• "stiefelWhitney(SmallCover)" -- see stiefelWhitney -- Compute the Stiefel-Whitney classes of a small cover

## For the programmer

The object SmallCover is a type, with ancestor classes HashTable < Thing.