Research output: Contribution to journal › Article › peer-review
Complexity for partial computable functions over computable Polish spaces. / Korovina, Margarita; Kudinov, Oleg.
In: Mathematical Structures in Computer Science, Vol. 28, No. 3, 01.03.2018, p. 429-447.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Complexity for partial computable functions over computable Polish spaces
AU - Korovina, Margarita
AU - Kudinov, Oleg
PY - 2018/3/1
Y1 - 2018/3/1
N2 - In the framework of effectively enumerable topological spaces, we introduce the notion of a partial computable function. We show that the class of partial computable functions is closed under composition, and the real-valued partial computable functions defined on a computable Polish space have a principal computable numbering. With respect to the principal computable numbering of the real-valued partial computable functions, we investigate complexity of important problems such as totality and root verification. It turns out that for some problems the corresponding complexity does not depend on the choice of a computable Polish space, whereas for other ones the corresponding choice plays a crucial role.
AB - In the framework of effectively enumerable topological spaces, we introduce the notion of a partial computable function. We show that the class of partial computable functions is closed under composition, and the real-valued partial computable functions defined on a computable Polish space have a principal computable numbering. With respect to the principal computable numbering of the real-valued partial computable functions, we investigate complexity of important problems such as totality and root verification. It turns out that for some problems the corresponding complexity does not depend on the choice of a computable Polish space, whereas for other ones the corresponding choice plays a crucial role.
UR - http://www.scopus.com/inward/record.url?scp=85006263328&partnerID=8YFLogxK
U2 - 10.1017/S0960129516000438
DO - 10.1017/S0960129516000438
M3 - Article
AN - SCOPUS:85006263328
VL - 28
SP - 429
EP - 447
JO - Mathematical Structures in Computer Science
JF - Mathematical Structures in Computer Science
SN - 0960-1295
IS - 3
ER -
ID: 12177991