- In geometry, the term
semiregular polyhedron (or
semiregular polytope) is used
variously by
different authors. In its
original definition, it is a polyhedron...
- In geometry, by
Thorold Gosset's
definition a
semiregular polytope is
usually taken to be a
polytope that is vertex-transitive and has all its facets...
- A
semiregular space is a
topological space whose regular open sets (sets that
equal the
interiors of
their closures) form a base for the topology. Every...
-
eight additional tilings possible,
known as Archimedean,
uniform or
semiregular tilings. Note that
there are two
mirror image (enantiomorphic or chiral)...
- In astronomy, a
semiregular variable star, a type of
variable star, is a
giant or
supergiant of
intermediate and late (cooler)
spectral type
showing considerable...
- have.
There are a
total of 20
regular and
semiregular polyhedra,
aside from the
infinite family of
semiregular prisms and
antiprisms that
exists in the...
-
other words, from
symmetries of 13
distinct semiregular polyhedra, two of
which have
mirror images. 3
semiregular polychora in 4-space: the
rectified 5-cell...
- are
semiregular polytopes. For
dimensions five
through eight, the
demipenteract and the k21
polytopes 221, 321, and 421 are the only
semiregular (Gosset)...
-
regular and
semiregular tilings when
infinite (improper)
apeirogonal forms are counted:
three are
regular (with one self-dual),
eight are
semiregular (with...
-
hexagonal prism. If
faces are all regular, the
hexagonal prism is a
semiregular polyhedron, more generally, a
uniform polyhedron, and the
fourth in an...
