Semi−synchronous transductions
Semi-synchronously rational relations generalise synchronised rational relations in a natural way. We discuss here some of their basic properties, among them a \"Cobham-Semenov-like\" dichotomy theorem. Our main result is a characterisation of bijective semi-synchronously rational transduc...
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| Materyal Türü: | Journal article |
| Baskı/Yayın Bilgisi: |
2008
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| Özet: | Semi-synchronously rational relations generalise synchronised rational relations in a natural way. We discuss here some of their basic properties, among them a \"Cobham-Semenov-like\" dichotomy theorem. Our main result is a characterisation of bijective semi-synchronously rational transductions as those bijections mapping regular relations to regular ones and non-regular relations to non-regular ones. |
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