### Abstract

We formalize the Tortoise and Hare cycle-finding algorithm ascribed to Floyd by Knuth, and an improved version due to Brent.

### License

BSD License

### Topics

- Computer science/Algorithms

### Session TortoiseHare

- Basis
- TortoiseHare
- Brent

## Cite

×

TortoiseHare-AFP

    @article{TortoiseHare-AFP,
      author  = {Peter Gammie},
      title   = {The Tortoise and Hare Algorithm},
      journal = {Archive of Formal Proofs},
      month   = {November},
      year    = {2015},
      note    = {\url{https://isa-afp.org/entries/TortoiseHare.html},
                 Formal proof development},
      ISSN    = {2150-914x},
    }

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