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isAcyclic -- whether a toric quiver has no cycles

Synopsis

Usage:

isAcyclic M

isAcyclic Q
Inputs:
- Q, an instance of the type ToricQuiver,
Outputs:
- a Boolean value,

Description

This method determines whether a quiver is free from oriented cycles.

i1 : isAcyclic bipartiteQuiver(2, 3)

o1 = true

i2 : isAcyclic toricQuiver matrix({{-1, 1, -1, -1}, {1, -1, 0, 0}, {0, 0, 1, 1}})

o2 = false

See also

toricQuiver -- the toricQuiver constructor

Ways to use isAcyclic :

isAcyclic(Matrix)
isAcyclic(ToricQuiver)

For the programmer

The object isAcyclic is a method function.