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Dual lattice information


In the theory of lattices, the dual lattice is a construction analogous to that of a dual vector space. In certain respects, the geometry of the dual lattice of a lattice is the reciprocal of the geometry of , a perspective which underlies many of its uses.

Dual lattices have many applications inside of lattice theory, theoretical computer science, cryptography and mathematics more broadly. For instance, it is used in the statement of the Poisson summation formula, transference theorems provide connections between the geometry of a lattice and that of its dual, and many lattice algorithms exploit the dual lattice.

For an article with emphasis on the physics / chemistry applications, see Reciprocal lattice. This article focuses on the mathematical notion of a dual lattice.

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Dual lattice

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theory of lattices, the dual lattice is a construction analogous to that of a dual vector space. In certain respects, the geometry of the dual lattice of a...

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Reciprocal lattice

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In physics, the reciprocal lattice emerges from the Fourier transform of another lattice. The direct lattice or real lattice is a periodic function in...

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Square lattice Ising model

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In statistical mechanics, the two-dimensional square lattice Ising model is a simple lattice model of interacting magnetic spins. The model is notable...

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Unimodular lattice

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dual lattice is integral. Unimodular lattices are equal to their dual lattices, and for this reason, unimodular lattices are also known as self-dual....

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Modular lattice

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of mathematics called order theory, a modular lattice is a lattice that satisfies the following self-dual condition, Modular law a ≤ b implies a ∨ (x ∧...

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Percolation threshold

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discoveries. Simple duality in two dimensions implies that all fully triangulated lattices (e.g., the triangular, union jack, cross dual, martini dual and asanoha...

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Geometric lattice

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matroids and lattices, a geometric lattice is a finite atomistic semimodular lattice, and a matroid lattice is an atomistic semimodular lattice without the...

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E8 lattice

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of the lattice is 1). Equivalently, Γ8 is self-dual, meaning it is equal to its dual lattice. It is even, meaning that the norm of any lattice vector...

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Duality theory for distributive lattices

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mathematics, duality theory for distributive lattices provides three different (but closely related) representations of bounded distributive lattices via Priestley...

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Distributive lattice

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above condition is equivalent to its dual: x ∨ (y ∧ z) = (x ∨ y) ∧ (x ∨ z)   for all x, y, and z in L. In every lattice, if one defines the order relation...

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Semilattice

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the dual ordering ≥. Semilattices are employed to construct other order structures, or in conjunction with other completeness properties. A lattice is...

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Complete lattice

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mathematics, a complete lattice is a partially ordered set in which all subsets have both a supremum (join) and an infimum (meet). A lattice that satisfies at...

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Langlands dual group

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root datum (X*, Δ,X*, Δv), where X* is the lattice of characters of a maximal torus, X* the dual lattice (given by the 1-parameter subgroups), Δ the...

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Phonon

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mechanical description of an elementary vibrational motion in which a lattice of atoms or molecules uniformly oscillates at a single frequency. In classical...

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Lattice gauge theory

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action, lattice gauge theory can be shown to be exactly dual to spin foam models. Hamiltonian lattice gauge theory Lattice field theory Lattice QCD Quantum...

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Heterotic string theory

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compactified on an even, self-dual lattice (a discrete subgroup of a linear space). There are two possible even self-dual lattices in 16 dimensions, and it...

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Domino tiling

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viewing from the dual lattice, each frustrated edge must be "covered" by a 1x2 rectangle, such that the rectangles span the entire lattice and do not overlap...

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Stone duality

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distributive lattices via ordered topologies: Priestley's representation theorem for distributive lattices. Many other Stone-type dualities could be added...

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Dual space

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contravariance of vectors Dual module Dual norm Duality (mathematics) Duality (projective geometry) Pontryagin duality Reciprocal latticedual space basis, in...

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Permutohedron

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≡ ... ≡ xn (mod n). This is the lattice A n − 1 ∗ {\displaystyle A_{n-1}^{*}} , the dual lattice of the root lattice A n − 1 {\displaystyle A_{n-1}} ...

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