- 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. It shows...
- was a
Dutch mathematician. He is
noted for
discovering and
classifying semiregular polytopes in
dimensions four and higher. Elte's
father Hartog Elte was...
- In graph-theoretic mathematics, a
biregular graph or
semiregular bipartite graph is a
bipartite graph G = ( U , V , E ) {\displaystyle G=(U,V,E)} for...
-
eight additional tilings possible,
known as Archimedean,
uniform or
semiregular tilings. Note that
there are two
mirror image (enantiomorphic or chiral)...
- and 12 vertices. If
faces are all regular, the
hexagonal prism is a
semiregular polyhedron—more generally, a
uniform polyhedron—and the
fourth in an...
- and
semiregular) of the
Euclidean plane, and
their dual tilings.
There are
three regular and
eight semiregular tilings in the plane. The
semiregular tilings...
- 1900
enumeration of the
regular and
semiregular polytopes, and so they are
sometimes called Gosset's
semiregular figures.
Gosset named them by
their dimension...
