Parameterized complexity: Difference between revisions

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m Edited sentence to indicate that problems with EPTAS's are also FPT.
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FPT is closed under a parameterised [[Reduction (complexity)|reduction]] called '''''fpt-reduction''''', which simultaneously preserves the instance size and the parameter.
 
Obviously, FPT contains all polynomial-time computable problems. Moreover, it contains all optimisation problems in NP that allow aan [[fullyEfficient polynomial-time approximation scheme|efficient polynomial-time approximation scheme (EPTAS)]].
 
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