Four-dimensional spacePolychoron – general term for a four dimensional polytopeRegular convex polychoron5-cell, Tesseract, 16-cell, 24-cell, 120-cell, 600-cellAbstract regular polytope11-cell, 57-cel ...
Polygon (2-polytope)VertexEdge the facet or (n?1)-face of the polygonPolyhedron (3-polytope)Vertex the peak or (n?3)-face of the polyhedronEdge the ridge or (n?2)-face of the polyhedronFace the fac ...
A polytope is a geometric object with flat sides, which exists in any general number of dimensions. The following list of polygons, polyhedra and polytopes gives the names of various classes of polyto ...
Jordan canonical form — an 'almost' diagonalised matrix, where the only non-zero elements appear on the lead and super-diagonals.Linear independence — two or more vectors are linearly independent if ...
Cabibbo-Kobayashi-Maskawa matrix — a unitary matrix used in particle physics to describe the strength of flavour-changing weak decays.Density matrix — a matrix describing the statistical state of a ...
The following matrices find their main application in graph and network theory.Adjacency matrix — a square matrix representing a graph, with aij non-zero if vertex i and vertex j are adjacent.Biadjac ...