ISGCI project home All classes SmallgraphsGraphclass: (2K2,C4,C5,sun)-free
Equivalent classes:
split
strongly chordal
Complement classes:
(2K2,C4,C5,co-sun)-free
See also:
2K2 sun C5 C4
Inclusions
Minimal superclasses:
(1,1)-colorable (2K2,C4,C5)-free (A,P6,clique wheel,domino,hole,house)-free (Cn+4,sun)-free (P5,co-(A),co-(P6),anti clique wheel,anti-hole,co-domino)-free (S3,co-(Cn+4),co-(T2))-free (co-(Cn+4),co-(T2),co-XF2n+1)-free bipolarizable chordal
co-chordal chordal
sun-free hereditary dually chordal split strongly chordal
Maximal subclasses:
(2K2,C4,C5,S3,co-rising sun,net)-free (2K2,C4,C5,S3,net,rising sun)-free co-bithreshold
split comparability
split split
superperfect
Problems summary
Algorithms for Recognition
Polynomial from split
strongly chordal
| | From the constituent classes. |
Algorithms for Cliquewidth expression
See also
: Cliquewidth : Weighted independent set : Domination
Algorithms for Cliquewidth
See also
: Cliquewidth expression
Algorithms for Weighted independent set
Linear from chordal
[1166]
Linear from (2K2,C4)-free
Polynomial from nK2-free, fixed n
[1102]
Polynomial from (K2,3,P5)-free
[1110]
Polynomial from (P,P5)-free
[1353]
Polynomial [O(n^4)]
from (C4,P5)-free
| | Algorithm for (P_5,K_{m,m})-free (fixed m)
[1118]
|
Polynomial from K2
claw-free
[1290]
Polynomial from (C4,C5,T2)-free
[1108]
Polynomial from (P5,house)-free
[1109]
Polynomial [O(n^6)]
from (K3,3,P5)-free | | Algorithm for (P_5,K_{m,m})-free (fixed m)
[1118]
|
Polynomial [O(n^8)]
from (K4,4,P5)-free | | Algorithm for (P_5,K_{m,m})-free (fixed m)
[1118]
|
Polynomial from (K2,3,P,hole)-free
[1107]
Polynomial from interval filament
[1159]
Polynomial [O(n^{6p+2})]
from (p,q<=2)-colorable
[1116]
Polynomial from perfect
[476]
Polynomial from (P5,X82,X83)-free
[1246]
Polynomial from 2K2-free
[1160]
Polynomial from (K2,3,P,P5)-free
[1107]
Polynomial [O(V^4)]
from weakly chordal
[997]
Polynomial from subtree overlap
[1123]
Polynomial from (C4,P6)-free
[1353]
See also
: Cliquewidth expression : Independent set Algorithms for Independent set
Linear from co-chordal
[558]
Linear from co-Matula perfect
[221]
Linear from co-Welsh-Powell perfect
[221]
Linear from chordal
[425]
[931]
Linear from extended P4-laden
[438]
Polynomial from co-biclique separable
[1304]
Polynomial from Gallai
[1081]
Polynomial from (C5,P5,co-(P2
P3))-free
[1118]
Polynomial from (C4,P6)-free
[1351]
[1352]
Polynomial from (K3,3-e,P5)-free
[1246]
Polynomial [O(VE)]
from (P,P5)-free
[1117]
Polynomial [O(VE)]
from weakly chordal
[530]
[1119]
Polynomial from (E,P)-free
[1305]
Polynomial from (K2,3,P,P5)-free
[1346]
[1107]
Polynomial [O(V^8)]
from (P,P7)-free
[1351]
Polynomial from (C6,K3,3+e,P,P7,X37,X41)-free
[1346]
Polynomial from (P,T2)-free
[1305]
Polynomial from Meyniel
[169]
Polynomial [O(nm)]
from (K3,3-e,P5,X98)-free
[1117]
Polynomial from clique separable
[1081]
Polynomial from (P5,co-(P2
P3))-free
[1350]
Polynomial from (P,star1,2,5)-free
[1349]
Polynomial [O(V^{5})]
from (K3,3-e,P5,X99)-free
[1307]
Polynomial from (P,P8)-free
[1306]
Open from (P,star1,2,3)-free
[1351]
Open from (P,star1,2,4)-free
[1351]
[1306]
See also
: Weighted independent set Algorithms for Domination
Linear from dually chordal
[143]
[332]
Polynomial from strongly chordal
[374]
See also
: Cliquewidth expression