Re: [sage-devel] Re: Two-vertex graphs and is_prime()

2018-07-10 Thread Jori Mäntysalo
On Tue, 10 Jul 2018, david.coud...@inria.fr wrote: A clique is a "series" module in the modular decomposition because its complement is not connected. See the survey https://arxiv.org/pdf/0912.1457 * A module is of type parallel if G is not connected but its complement it * A module is of type

[sage-devel] Re: Two-vertex graphs and is_prime()

2018-07-10 Thread David . Coudert
A clique is a "series" module in the modular decomposition because its complement is not connected. See the survey https://arxiv.org/pdf/0912.1457 * A module is of type parallel if G is not connected but its complement it * A module is of type series if G is connected but its complement is not.