## Abstract We investigate the computational complexity the class of ฮโcategorical computable structures. We show that hyperarithmetic categoricity is ฮ ^1^~1~โcomplete, while computable categoricity is ฮ ^0^~4~โhard. (ยฉ 2003 WILEYโVCH Verlag GmbH & Co. KGaA, Weinheim)
Degrees of categoricity of computable structures
โ Scribed by Ekaterina B. Fokina; Iskander Kalimullin; Russell Miller
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 321 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0933-5846
No coin nor oath required. For personal study only.
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