-
equal multisets of eigenvalues.
Cospectral graphs need not be isomorphic, but
isomorphic graphs are
always cospectral. A
graph G {\displaystyle G} is...
- In mathematics, two
linear operators are
called isospectral or
cospectral if they have the same spectrum.
Roughly speaking, they are
supposed to have the...
- the
preceding sense. A pair of
connected distance-regular
graphs are
cospectral if
their adjacency matrices have the same spectrum. This is equivalent...
-
vertices and 32
edges discovered by Alan Hoffman.
Published in 1963, it is
cospectral to the
hypercube graph Q4. The
Hoffman graph has many
common properties...
- or
greater than 4. M. Lepovic, I.
Gutman (2001). No
starlike trees are
cospectral. Nakat****sa, Yuji; Saito, Naoki; Woei,
Ernest (April 2013). "Mysteries...
- Harries–Wong graph. Moreover, the Harries–Wong
graph and
Harries graph are
cospectral graphs. The
Balaban 10-cage has
chromatic number 2,
chromatic index 3...
-
graphic methods are: Bar
graph spectral plots Cospectral mean
vector plots Feature space plots Cospectral parallelepiped or
ellipse plots The last step...
- Harries–Wong graph. Moreover, the Harries–Wong
graph and
Harries graph are
cospectral graphs. The
chromatic number of the Harries–Wong
graph is 2. The chromatic...
- Harries–Wong graph. Moreover, the Harries–Wong
graph and
Harries graph are
cospectral graphs. The
chromatic number of the
Harries graph is 2. The chromatic...
