Probabilistic and Frequency Finite-State Transducers Kaspars Balodis Anda Berina Gleb Borovitsky Rusins Freivalds Ginta Garkaje Vladimirs Kacs Janis Kalejs.

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Presentation transcript:

Probabilistic and Frequency Finite-State Transducers Kaspars Balodis Anda Berina Gleb Borovitsky Rusins Freivalds Ginta Garkaje Vladimirs Kacs Janis Kalejs Ilja Kucevalovs Janis Rocans Madars Virza

Probabilistic transducers We explore so-called Las Vegas transducers, which give a false answer with probability 0, and prove theorems, such as if any Las Vegas transducer can compute a relation with probability greater than ½, then this relation can be computed with a deterministic transducer.

Deterministic transducers with help symbols We observe deterministic transducers where one or more added help symbols are viewable at any time during the computation of a relation, and compare these with Las Vegas transducers, proving that, for example, if you need n help symbols to compute a relation, a Las Vegas transducer can compute this relation with probability 1 / n,

Frequency transducers A frequency transducer is a transducer, which has n input tapes with unique inputs and n output tapes, that (m,n)-calculates a relation on all the tapes in a way, that at least m out of the n output tapes produce a correct result.

Thank you for your attention