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For questions requesting examples of a certain structure or phenomenon

1 vote

Examples of Super-polynomial time algorithmic/induction proofs?

The Hydra game: http://math.andrej.com/2008/02/02/the-hydra-game/ I'm not sure if that counts as an "Ackermann-like recurrence" but the algorithm is super-duper-exponential and then some. It's no …
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