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Classifying equivalence relations in the Ershov hierarchy
Computably enumerable equivalence relations (ceers) received a lot of attention in the literature. The standard tool to classify ceers is provided by the computable reducibility [Formula: see text] . This gives rise to a rich degree structure. In this paper, we lift the study of c-degrees to the [Fo...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Springer Berlin Heidelberg
2020
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7579322/ https://www.ncbi.nlm.nih.gov/pubmed/33122878 http://dx.doi.org/10.1007/s00153-020-00710-1 |