ISGCI project home All classes SmallgraphsGraphclass: (3K1,co-(T2),co-(X2),co-(X3),anti-hole)-free
Complement classes:
AT-free
bipartite (T2,X2,X3,hole,triangle)-free bipartite permutation bipartite tolerance
See also:
co-(X2) 3K1 co-(X3) anti-hole co-(T2)
Inclusions
Minimal superclasses:
(2,0)-colorable AT-free
claw-free (BW3,W5,W7,X103,X104,X105,X106,X107,X108,X109,X110,X111,X112,X113,X114,X115,X116,X117,X118,X119,X120,X121,X122,X123,X124,X125,X126,X53,X88,co-(C6),co-(C8),co-(T2),co-(X3))-free Berge
bull-free Berge
claw-free Bouchet (C5,P5)-free (C6,co-(C6))-free (Cn+6,T2,X2,X3,X30,X31,X32,X33,X34,X36,XF12n+3,XF2n+1,XF3n,XF4n,XF52n+3,XF62n+2,co-(Cn+6),co-(T2),co-(X2),co-(X3),co-(X30),co-(X31),co-(X32),co-(X33),co-(X34),co-(X36),co-XF12n+3,co-XF2n+1,co-XF3n,co-XF4n,co-XF52n+3,co-XF62n+2,odd anti-hole)-free (Cn+6,T2,X2,X3,X30,X31,X32,X33,X34,X36,XF12n+3,XF2n+1,XF3n,XF4n,XF52n+3,XF62n+2,co-(Cn+6),co-(T2),co-(X2),co-(X3),co-(X30),co-(X31),co-(X32),co-(X33),co-(X34),co-(X36),co-XF12n+3,co-XF2n+1,co-XF3n,co-XF4n,co-XF52n+3,co-XF62n+2,odd-hole)-free (Cn+6,X37,claw,co-antenna,net,sun)-free (K2,3,P,hole)-free (P5,co-(C6))-free (P5,co-(C6))-free
weakly chordal (P5,anti-hole,co-gem)-free (P5,anti-hole)-free (P5,bull)-free (P5,claw)-free (T2,X2,X3,X30,X31,X32,X33,X34,X35,X36,XF2n+1,XF3n,XF4n,anti-hole,co-XF12n+3,co-XF52n+3,co-XF62n+2,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 (XF12n+3,XF52n+3,XF62n+2,co-(Cn+6),co-(T2),co-(X2),co-(X3),co-(X30),co-(X31),co-(X32),co-(X33),co-(X34),co-(X35),co-(X36),co-XF2n+1,co-XF3n,co-XF4n,odd-hole)-free (XF12n+3,XF52n+3,XF62n+2,co-(T2),co-(X2),co-(X3),co-(X30),co-(X31),co-(X32),co-(X33),co-(X34),co-(X35),co-(X36),anti-hole,co-XF2n+1,co-XF3n,co-XF4n,hole)-free (co-(W4),co-(W5),co-butterfly)-free (anti-hole,hole,sun)-free (anti-hole,hole)-free (anti-hole,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 circle circle graph with equator circular arc
co-bipartite circular arc
comparability (claw,odd anti-hole,odd-hole)-free claw-free
perfect co-bipartite co-comparability
comparability co-comparability graphs of posets of interval dimension 2, height 1 co-convex-round co-permutation co-tolerance co-trapezoid comparability comparability
weakly chordal comparability graphs of dimension 2 posets comparability graphs of posets of interval dimension 2 containment graph of intervals containment graphs convex-round odd anti-cycle-free odd-hole-free perfect connected-dominant permutation sun-free
weakly chordal weakly chordal
Maximal subclasses:
(2,0)-colorable
chordal (3K1,C4,C5)-free (C4,odd anti-cycle)-free (co-(2C4),co-(3K2),co-(C6),co-(E),co-(P2
P4),co-(P6),co-(X25),co-(X26),co-(X27),co-(X28),co-(X29),odd anti-cycle)-free (co-(T2),co-cycle)-free
Problems summary
Algorithms for Recognition
Linear
Algorithms for Cliquewidth expression
See also
: Cliquewidth : Weighted independent set : Domination
Algorithms for Cliquewidth
Unbounded
See also
: Cliquewidth expression Algorithms for Weighted independent set
Linear from permutation
[1164]
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 [O(n logn logn)]
from trapezoid
| | Timebound valid only when given the model
[1120]
;
otherwise O(n^2).
|
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 [O(n^2)]
from circle
[1121]
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 [O(ln)]
from circular arc | | Where l is the minimum number of arcs passing through a given point on the circle.
[995]
|
Polynomial from perfect
[476]
Polynomial from (P5,X82,X83)-free
[1246]
Polynomial from nearly bipartite
Polynomial [O(VE)]
from (bull,fork)-free
[1124]
[307]
Polynomial from (K2,3,P,P5)-free
[1107]
Polynomial [O(V^4)]
from weakly chordal
[997]
Polynomial from subtree overlap
[1123]
See also
: Cliquewidth expression : Independent set Algorithms for Independent set
Linear [O(n)]
from circular arc
[1105]
[1106]
[1158]
Linear from co-comparability
[1100]
Polynomial from claw-free
[947]
Polynomial from co-hereditary clique-Helly
[1298]
Polynomial from comparability
[453]
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 [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
Linear from circular arc
[1143]
[1158]
Linear [O(V)]
from permutation
[1342]
[1147]
[1148]
[1149]
[1165]
Polynomial from k-polygon
[352]
Polynomial from co-comparability
[1150]
[1151]
Polynomial from AT-free
[1152]
Polynomial [O(n^2 log^5 n)]
from co-bounded tolerance
[1172]
| | Assuming a square embedding of the graph is given; finding this is an open problem.
|
Polynomial [O(VE)]
from (claw,net)-free
[1127]
Polynomial from trapezoid
[1155]
See also
: Cliquewidth expression