- In mathematics, and more
specifically in
graph theory, a
multigraph is a
graph which is
permitted to have
multiple edges (also
called parallel edges),...
- Look up
multigraph, multidigraph, or
pseudograph in Wiktionary, the free dictionary. A
multigraph is a
mathematical graph where some
pairs of vertices...
-
called adjacent. A
multigraph is a
generalization that
allows multiple edges to have the same pair of endpoints. In some texts,
multigraphs are
simply called...
- high-degree
planar graphs, the
number of
colors is
always Δ, and for
multigraphs, the
number of
colors may be as
large as 3Δ/2.
There are
polynomial time...
- A Latin-script
multigraph is a
multigraph consisting of
characters of the
Latin script.
digraphs (two letters, as ⟨ch⟩ or ⟨ea⟩)
trigraphs (three letters...
- To
avoid ambiguity, this type of
object may be
called an
undirected multigraph. A loop is an edge that
joins a
vertex to itself.
Graphs as
defined in...
- the
multigraph ΩG,
called the
power object of G. What is
special about a
multigraph as an
algebra is that its
operations are unary. A
multigraph has two...
- a
graph is the
number of
edges that are
incident to the vertex; in a
multigraph, a loop
contributes 2 to a vertex's degree, for the two ends of the edge...
- In the
mathematical discipline of
graph theory,
Shannon multigraphs,
named after Claude Shannon by
Vizing (1965), are a
special type of
triangle graphs...
- that
every undirected multigraph without loops can be
colored with at most Δ+µ colors,
where µ is the
multiplicity of the
multigraph. The
theorem is named...
