nLab
lattice in a vector space

This entry is about the notion of lattice in group theory/quadratic form-theory. For other notions see at lattice (disambiguation).


Contents

Idea

A lattice in the Cartesian space n\mathbb{R}^n is a discrete subgroup (of the underlying topological abelian group) that spans n\mathbb{R}^n as a vector space over \mathbb{R}.

Examples

References

Revised on November 6, 2013 02:01:36 by Urs Schreiber (77.251.114.72)