projective plane in a sentence

Examples

1. This embedding is the Petrie dual of its embedding in the projective plane shown below.
2. There are several results concerning projectivities and perspectivities which hold in any pappian projective plane:
3. However, two nonisomorphic planar ternary rings can lead to the construction of isomorphic projective planes.
4. Every nonsingular conic in the projective plane, together with its nucleus, forms a hyperoval.
5. Additionally, one can look at curves in the projective plane, given by homogeneous polynomials.
6. Also notable is the tetrahemihexahedron, whose seven equilateral triangle faces form a rudimentary projective plane.
7. Let and be two distinct conics in a projective plane defined over an algebraically closed field.
8. Vertices are shown as circles, colored by their order of overlap in each projective plane.
9. This example is known as the "'projective plane of order three " '.
10. Any two great circles intersect precisely in two antipodal points ( identified in the projective plane ).