Topic Brief: Why PH is not believed to have a complete problem?Alternating Turing Machines - definition, ... Properties of logspace reductions such as transitivity, closure of L under such reductions.

Noc21 Cs49 Lec28 -

Why PH is not believed to have a complete problem?Alternating Turing Machines - definition, ... Properties of logspace reductions such as transitivity, closure of L under such reductions.

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  • Why PH is not believed to have a complete problem?Alternating Turing Machines - definition, ...
  • Properties of logspace reductions such as transitivity, closure of L under such reductions.

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Properties of logspace reductions such as transitivity, closure of L under such reductions. Path is NL-complete.

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Complete problems for Σpi and Πpi. Why PH is not believed to have a complete problem?Alternating Turing Machines - definition, ...

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Completed proof of Immerman-Szelepscenyi Theorem. The Polynomial Hierarchy - motivation for studying, definition.

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BPP ⊆Σp2∩Πp2. The logspace classes BPL and RL. Undirected reachability in RL.

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Set Lower Bound Protocol and Graph Non-Isomorphism is in AM.