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The order n>=2 L-polyomino consists of a vertical line of n squares with a single additional square attached at the bottom.

Coefficients which appear in Lagrange interpolating polynomials where the points are equally spaced along the abscissa.

The numbers B_(n,k)(1!,2!,3!,...)=(n-1; k-1)(n!)/(k!), where B_(n,k) is a Bell polynomial.

Let a graph G have exactly 2n-3 graph edges, where n is the number of graph vertices in G. Then G is "generically" rigid in R^2 iff e^'<=2n^'-3 for every subgraph of G having ...

A root-finding algorithm also called Bailey's method and Hutton's method. For a function of the form g(x)=x^d-r, Lambert's method gives an iteration function ...

A lattice which is built up of layers of n-dimensional lattices in (n+1)-dimensional space. The vectors specifying how layers are stacked are called glue vectors. The order ...

A generalization of the concept of set unions and intersections.

A distinct (including reflections and rotations) arrangement of adjacent squares on a grid, also called a fixed polyomino.

A lattice embedding is a one-to-one lattice homomorphism.

A point at the intersection of two or more grid lines in a point lattice.