Author/Authors :
Mostafa Blidia، نويسنده , , Pierre Duchet، نويسنده , , Henry Jacob، نويسنده , , Frédéric Maffray، نويسنده , , Henry Meyniel، نويسنده ,
Abstract :
We consider some classical constructions of graphs: join of two graphs, duplication of a vertex, and show that they behave nicely from the point of view of the existence of kernels.
