- 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...
- 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...
- 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...
-
eight additional tilings possible,
known as Archimedean,
uniform or
semiregular tilings. Note that
there are two
mirror image (enantiomorphic or chiral)...
- 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...
- This is a list of
semiregular variable stars.
Variability ranges are
taken from the
General Catalogue of
Variable Stars (GCVS)
where these are visual...
- and
semiregular) of the
Euclidean plane, and
their dual tilings.
There are
three regular and
eight semiregular tilings in the plane. The
semiregular tilings...
-
hexagonal prism. If
faces are all regular, the
hexagonal prism is a
semiregular polyhedron, more generally, a
uniform polyhedron, and the
fourth in an...
-
Variable Stars Star
portal Lists of
astronomical objects Lists of
stars List of
semiregular variable stars List of
stars that have
unusual dimming periods...
