Identifier
Values
['A',1] => ([],1) => ([],1) => ([],1) => 1
['A',2] => ([(0,2),(1,2)],3) => ([(0,2),(1,2)],3) => ([(0,2),(1,2)],3) => 3
['B',2] => ([(0,3),(1,3),(3,2)],4) => ([(0,3),(1,3),(2,3)],4) => ([(0,3),(1,3),(2,3)],4) => 2
['G',2] => ([(0,5),(1,5),(3,2),(4,3),(5,4)],6) => ([(0,5),(1,5),(2,3),(3,4),(4,5)],6) => ([(0,2),(0,5),(1,3),(1,4),(1,5),(2,3),(2,4),(3,4),(3,5),(4,5)],6) => 6
['A',3] => ([(0,4),(1,3),(2,3),(2,4),(3,5),(4,5)],6) => ([(0,5),(1,4),(2,4),(2,5),(3,4),(3,5)],6) => ([(0,1),(0,5),(1,4),(2,3),(2,4),(2,5),(3,4),(3,5),(4,5)],6) => 6
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Description
The length of a longest path in a graph such that the remaining vertices can be partitioned into two sets of the same size without edges between them.
Such a partition always exists because of a construction due to Dudek and Pralat [1] and independently Pokrovskiy [2].
Such a partition always exists because of a construction due to Dudek and Pralat [1] and independently Pokrovskiy [2].
Map
to root poset
Description
The root poset of a finite Cartan type.
This is the poset on the set of positive roots of its root system where α≺β if β−α is a simple root.
This is the poset on the set of positive roots of its root system where α≺β if β−α is a simple root.
Map
connected complement
Description
The componentwise connected complement of a graph.
For a connected graph G, this map returns the complement of G if it is connected, otherwise G itself. If G is not connected, the map is applied to each connected component separately.
For a connected graph G, this map returns the complement of G if it is connected, otherwise G itself. If G is not connected, the map is applied to each connected component separately.
Map
to graph
Description
Returns the Hasse diagram of the poset as an undirected graph.
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