What is the difference between Vertex and Lattice?
By Emma Valentine •
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From wikipedia:
Vertex
In geometry, a vertex (in plural form: vertices or vertexes), often denoted by letters such as $P, Q, R, S, T$ is a point where two or more curves, lines, or edges meet. As a consequence of this definition, the point where two lines meet to form an angle and the corners of polygons and polyhedra are vertices.
Lattice
A lattice graph, mesh graph, or grid graph, is a graph whose drawing, embedded in some Euclidean space $R^n$, forms a regular tiling.
My question:
Wikipedia says vertex is a point where two or more curves, lines, or edges meet.
From the second picture, Isn't a lattice just a vertex? Is there a difference?
(All the pictures are taken from Wikipedia)
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