- five
tetrahedral cells. It is also
known as a C5, hypertetrahedron,
pentachoron, pentatope, pentahedroid,
tetrahedral pyramid, or 4-simplex (Coxeter's...
- truncations,
including a bitruncation. The
truncated 5-cell,
truncated pentachoron or
truncated 4-simplex is
bounded by 10 cells: 5 tetrahedra, and 5 truncated...
-
Runcinated 5-cell (Norman Johnson)
Runcinated pentachoron Runcinated 4-simplex
Expanded 5-cell/4-simplex/
pentachoron Small prismatodecachoron (Acronym: Spid)...
- hyperpyramid, the
triangular pyramid is a 3-dimensional
hyperpyramid and the
pentachoron or
tetrahedral pyramid is a 4-dimensional
hyperpyramid with a tetrahedron...
- edge-planing) of the
regular 5-cell. The
cantellated 5-cell or
small rhombated pentachoron is a
uniform 4-polytope. It has 30 vertices, 90 edges, 80 faces, and...
- W. Johnson)
Rectified 4-simplex
Fully truncated 4-simplex
Rectified pentachoron (Acronym: rap) (Jonathan Bowers)
Ambopentachoron (Neil
Sloane & John...
-
polydodecahedron (pD).
Norman Johnson advocated the
names n-cell, or
pentachoron, hexadecachoron,
tesseract or octachoron, icositetrachoron, hexacosichoron...
-
Equilateral triangle (regular trigon) 3.
Regular tetrahedron 4.
Regular pentachoron or 4-simplex 5.
Regular hexateron or 5-simplex ... An n-simplex has n+1...
-
Octahedron • Cube
Demicube Dodecahedron •
Icosahedron Uniform polychoron Pentachoron 16-cell •
Tesseract Demitesseract 24-cell 120-cell • 600-cell Uniform...
-
figure Medal of Honor –
Highest award in the
United States Armed Forces Pentachoron – the 4-simplex
Pentagram map –
Discrete dynamical system on the moduli...