Small stretch spanners on dynamic graphs.
Full approximability of a class of problems over power sets.
In this paper results concerning structural and approximability properties of the subclass of NP-Complete Optimization Problems, defined over a lattice are considered. First, various approaches to the concept of Fully Polynomial Approximation Scheme are presented with application to several known problems in the class of NP-Complete Optimization Problems. Secondly, a characterization of full Approximability for the class of Max Subset Problems is introduced.
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