Proof of `Single-tape characterization of P`

groundedproofs/Lax434930Proofs/ModelEquivalence.lean · lax-434930

What this proof establishes

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

Read the Lean proof on GitHub

In the paper

  • page 3 of this submission's paper

Description

After restricting stack alphabets, compile stacks to tape tracks with polynomial overhead. Conversely, simulate a tape by two stacks with linear overhead. Both bounds include input conversion and final output conversion.