Definition
Planar Vertex Cover Problem
The planar vertex cover problem is the restriction of the vertex cover problem to planar graphs.
Instance: a planar graph and an integer .
Question: Does have a vertex cover with ?
Planar Vertex Cover Problem
The planar vertex cover problem is the restriction of the vertex cover problem to planar graphs.
Instance: a planar graph and an integer .
Question: Does have a vertex cover with ?