- characteristic polyhedron
- мат.характеристический многогранник
English-Russian scientific dictionary. 2008.
characteristic polyhedron
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Polyhedron — Polyhedra redirects here. For the relational database system, see Polyhedra DBMS. For the game magazine, see Polyhedron (magazine). For the scientific journal, see Polyhedron (journal). Some Polyhedra Dodecahedron (Regular polyhedron) … Wikipedia
Császár polyhedron — An animation of the Császár polyhedron being rotated and unfolded. Type Toroidal polyhedron Faces 14 triangles Edges 21 Verti … Wikipedia
Regular polyhedron — A regular polyhedron is a polyhedron whose faces are congruent (all alike) regular polygons which are assembled in the same way around each vertex. A regular polyhedron is highly symmetrical, being all of edge transitive, vertex transitive and… … Wikipedia
Kepler–Poinsot polyhedron — In geometry, a Kepler–Poinsot polyhedron is any of four regular star polyhedra. They may be obtained by stellating the regular convex dodecahedron and icosahedron, and differ from these in having regular pentagrammic faces or vertex figures.… … Wikipedia
Euler characteristic — In mathematics, and more specifically in algebraic topology and polyhedral combinatorics, the Euler characteristic is a topological invariant, a number that describes one aspect of a topological space s shape or structure. It is commonly denoted… … Wikipedia
Conway polyhedron notation — This example chart shows how 11 new forms can be derived from the cube using 3 operations. The new polyhedra are shown as maps on the surface of the cube so the topological changes are more apparent. Vertices are marked in all forms with circles … Wikipedia
Szilassi polyhedron — Infobox Polyhedron Polyhedron Type= Face List=7 hexagons Edge Count=21 Vertex Count=14 Symmetry Group=? Vertex List=6.6.6 Dual=Császár polyhedron Property List=NonconvexThe Szilassi polyhedron is a nonconvex polyhedron, topologically a torus,… … Wikipedia
Kepler-Poinsot polyhedron — The Kepler Poinsot polyhedra is a popular name for the regular star polyhedra. Each has faces which are congruent regular convex polygons or star polygons and has the same number of faces meeting at each vertex (compare to Platonic solids).There… … Wikipedia
Euler characteristic — ▪ mathematics in mathematics, a number, C, that is a topological characteristic of various classes of geometric figures based only on a relationship between the numbers of vertices (V), edges (E), and faces (F) of a geometric figure. This… … Universalium
Defect (geometry) — For other uses, see Defect. In geometry, the (angular) defect (or deficit or deficiency) means the failure of some angles to add up to the expected amount of 360° or 180°, when such angles in the plane would. The opposite notion is the excess.… … Wikipedia
Digon — A degenerate digon with two coinciding edges sharing the same vertices Edges and vertices 2 Schläfli symbol {2} … Wikipedia
