Grassmann Coordinates
An 
-D Subspace 
of an 
-D Vector Space 
can be specified by an 
Matrix whose rows are the coordinates of a Basis of . The set of all 
Minors of this Matrix are then called the Grassmann coordinates of 
(where
is a Binomial Coefficient).
References
Wilson, W. S.; Chern, S. S.; Abhyankar, S. S.; Lang, S.; and Igusa, J.-I. ``Wei-Liang Chow.'' Not. Amer. Math. Soc. 43, 1117-1124, 1996.
- Restricted Divisor Function
- Restricted Growth Function
- Restricted Growth String
- Resultant
- Retardance
- Reuleaux Polygon
- Reuleaux Triangle
- Reversal
- Reverse Greedy Algorithm
- Reverse-Then-Add Sequence
- Reversion of Series
- Reznik's Identity
- Rhodonea
- Rhomb
- Rhombic Dodecahedral Number
- Rhombic Dodecahedron
- Rhombic Icosahedron
- Rhombicosacron
- Rhombicosahedron
- Rhombicosidodecahedron
- Rhombic Polyhedron
- Rhombic Triacontahedron
- Rhombicuboctahedron
- Rhombidodecadodecahedron
- Rhombihexacron