---
tag: ZTKRD55ABZ
kind: concept
name: Dual lattice
sources:
  - wikipedia: en:1395200@r1368624347
    locator: Dual lattice
    note: adopted
    mention: wikipedia://en/1395200
    sections: [Summary]
same_as:
  wikidata: Q104840620
  wikipedia: Dual lattice
inventory: [QBTGW9FD92]
---

## Summary

In the theory of lattices, the **dual lattice** is a construction analogous to that of a [[dual vector space|07JBSZE0V4]]. In certain respects, the geometry of the dual lattice of a lattice $L$ is the reciprocal of the geometry of $L$, a perspective which underlies many of its uses.