Parameterized complexity and subexponential-time computability
The Multivariate Algorithmic Revolution and Beyond
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Recently it has been shown that the miniaturization mapping ℳ faithfully translates bexponential parameterized complexity into (unbounded) parameterized complexity. We determine the pre-images under ℳ of various (classes of) problems. For many parameterized problems whose underlying classical problem is in NP we show that the pre-images coincide with natural reparameterizations that take into account the amount of non-determinism needed to solve them.