definition
A flat panel constructed with widely-spaced crossed thin strips of wood or other material, commonly used as a garden trellis.
definition
A bearing with vertical and horizontal bands that cross each other.
definition
A regular spacing or arrangement of geometric points, often decorated with a motif.
definition
A discrete subgroup of Rn which is isomorphic to Zn (considered as an additive group) and spans the real vector space Rn.
definition
A model of the tuning relationships of a just intonation system, comprising an array of points in a periodic multidimensional pattern.
definition
(Lie theory) A discrete subgroup L of a given locally compact group G whose quotient space G/L has finite invariant measure.
definition
A partially ordered set in which every pair of elements has a unique supremum and a unique infimum.