Geometric Separation and Exact Solutions for the Parameterized Independent Set Problem on Disk Graphs.

Jochen Alber Jirí Fiala Geometric Separation and Exact Solutions for the Parameterized Independent Set Problem on Disk Graphs. 26-37 2002 conf/ifipTCS/2002 IFIP TCS db/conf/ifipTCS/ifipTCS2002.html#AlberF02