ISGCI project home All classes SmallgraphsGraphclass: (3K1,C5,K5 - e,co-(C6
K1),co-(C7),co-(K3,3
K1),co-(K3,3-e
K1),co-(domino
K1))-free
Complement classes:
2-bounded bipartite (C5,C6
K1,C7,K3,3
K1,K3,3-e
K1,co-(K5 - e),domino
K1,triangle)-free
See also:
co-(domino
K1) co-(K3,3-e
K1) co-(C6
K1) co-(K3,3
K1) 3K1 co-(C7) C5 K5 - e
Inclusions
Minimal superclasses:
(2,0)-colorable (3K1,co-cross)-free Berge Berge
bull-free Berge
claw-free (C5,P5)-free (K2,3,P,hole)-free (X12,X5,X95,X96,X97,co-(X12),co-(X5),co-(X95),co-(X96),co-(X97),co-(claw
triangle),claw
triangle,co-cricket,co-twin-house,cricket,odd anti-hole,odd-hole,twin-house)-free
(G)-perfect co-(K2
claw)-free (co-(star1,2,3),co-(sunlet4),odd anti-cycle)-free bipartite
co-bipartite
co-line graphs of bipartite graphs
line graphs of bipartite graphs (bull,odd anti-hole,odd-hole)-free bull-free
perfect (claw,odd anti-hole,odd-hole)-free claw-free
perfect co-bipartite kernel solvable odd anti-cycle-free (odd anti-hole,odd-hole)-free odd-hole-free perfect perfect connected-dominant perfectly 1-transversable
Maximal subclasses:
(3K1,C5,butterfly,diamond)-free
Problems summary
Algorithms for Recognition
Polynomial
| | Finite forbidden subgraph characterization |
Algorithms for Cliquewidth expression
See also
: Cliquewidth : Weighted independent set : Domination
Algorithms for Cliquewidth
Bounded
Bounded from (co-(star1,2,3),co-(sunlet4),odd anti-cycle)-free
Bounded from (co-(star1,2,3),odd anti-cycle)-free
See also
: Cliquewidth expression Algorithms for Weighted independent set
Linear from AT-free
claw-free
[1157]
Polynomial [O(VE)]
from (P5,fork)-free
[1125]
Polynomial [O(n^5)]
from (K1,4,P5)-free
[1110]
Polynomial from (K2,3,P5)-free
[1110]
Polynomial [O(V^5E^3)]
from Berge
bull-free
[1278]
Polynomial from (P5,cricket)-free
[1110]
Polynomial from (P,P5)-free
[1353]
Polynomial from K2
claw-free
[1290]
Polynomial [O(VE)]
from co-gem-free
| | Because for all v: G[\co{N}(v)] is P_4-free
|
Polynomial from fork-free
[1099]
Polynomial [O(n^6)]
from (K3,3,P5)-free | | Algorithm for (P_5,K_{m,m})-free (fixed m)
[1118]
|
Polynomial [O(n^4)]
from AT-free
[160]
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 4K1-free
Polynomial from interval filament
[1159]
Polynomial [O(n^{6p+2})]
from (p,q<=2)-colorable
[1116]
Polynomial from (K1,4,P,P5,fork)-free
[1103]
Polynomial [O(n^4)]
from (P5,claw)-free
[1110]
Polynomial from claw-free
[783]
Polynomial from perfect
[476]
Polynomial from (P5,X82,X83)-free
[1246]
Polynomial [O(VE)]
from (bull,fork)-free
[1124]
[307]
Polynomial from (K2,3,P,P5)-free
[1107]
Polynomial from subtree overlap
[1123]
See also
: Cliquewidth expression : Independent set Algorithms for Independent set
Linear from co-comparability
[1100]
Polynomial from claw-free
[947]
Polynomial from co-hereditary clique-Helly
[1298]
Polynomial from (K3,3-e,P5)-free
[1246]
Polynomial [O(VE)]
from (P,P5)-free
[1117]
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 [O(VE)]
from (claw,net)-free
[1127]
[515]
Polynomial from (P,T2)-free
[1305]
Polynomial [O(nm)]
from (K3,3-e,P5,X98)-free
[1117]
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
Polynomial from co-comparability
[1150]
[1151]
Polynomial from AT-free
[1152]
Polynomial [O(VE)]
from (claw,net)-free
[1127]
See also
: Cliquewidth expression