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2. Free lattice - Wikipedia

   en.wikipedia.org/wiki/Free_lattice

   Because the concept of a lattice can be axiomatised in terms of two operations and satisfying certain identities, the category of all lattices constitute a variety (universal algebra), and thus there exist (by general principles of universal algebra) free objects within this category: lattices where only those relations hold which follow from the general axioms.

3. Lattice (order) - Wikipedia

   en.wikipedia.org/wiki/Lattice_(order)

   A lattice is an abstract structure studied in the mathematical subdisciplines of order theory and abstract algebra.It consists of a partially ordered set in which every pair of elements has a unique supremum (also called a least upper bound or join) and a unique infimum (also called a greatest lower bound or meet).

4. Lattice model (physics) - Wikipedia

   en.wikipedia.org/wiki/Lattice_model_(physics)

   In mathematical physics, a lattice model is a mathematical model of a physical system that is defined on a lattice, as opposed to a continuum, such as the continuum of space or spacetime. Lattice models originally occurred in the context of condensed matter physics, where the atoms of a crystal automatically form a lattice.

5. The ClueFinders 4th Grade Adventures: Puzzle of the Pyramid

   en.wikipedia.org/wiki/The_ClueFinders_4th_Grade...

   The game has 15 different activities, each with their own skill and goal and divided among five different topics. The first four activities cover Language Arts, followed by five Mathematics activities, two activities on Science, two on Social Studies and finally two on Problem Solving. [1]

6. Lattice (group) - Wikipedia

   en.wikipedia.org/wiki/Lattice_(group)

   A lattice in the sense of a 3-dimensional array of regularly spaced points coinciding with e.g. the atom or molecule positions in a crystal, or more generally, the orbit of a group action under translational symmetry, is a translation of the translation lattice: a coset, which need not contain the origin, and therefore need not be a lattice in ...

7. Integer lattice - Wikipedia

   en.wikipedia.org/wiki/Integer_lattice

   In mathematics, the n-dimensional integer lattice (or cubic lattice), denoted ⁠ ⁠, is the lattice in the Euclidean space ⁠ ⁠ whose lattice points are n-tuples of integers. The two-dimensional integer lattice is also called the square lattice , or grid lattice.