{"title":"Mehlhorn多项式时间泛函的一个新表征","authors":"B. Kapron, S. Cook","doi":"10.1109/SFCS.1991.185389","DOIUrl":null,"url":null,"abstract":"A. Cobham (1964) presented a machine-independent characterization of computational feasibility, via inductive definition. R. Constable (1973) was apparently the first to consider the notion of feasibility for type 2 functionals. K. Mehlhorn's (1976) study of feasible reducibilities proceeds from Constable's work. Here, a class of polytime operators is defined, using a generalization of Cobham's definition. The authors provide an affirmative answer to the question of whether there is a natural machine based definition of Mehlhorn's class.<<ETX>>","PeriodicalId":320781,"journal":{"name":"[1991] Proceedings 32nd Annual Symposium of Foundations of Computer Science","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"21","resultStr":"{\"title\":\"A new characterization of Mehlhorn's polynomial time functionals\",\"authors\":\"B. Kapron, S. Cook\",\"doi\":\"10.1109/SFCS.1991.185389\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A. Cobham (1964) presented a machine-independent characterization of computational feasibility, via inductive definition. R. Constable (1973) was apparently the first to consider the notion of feasibility for type 2 functionals. K. Mehlhorn's (1976) study of feasible reducibilities proceeds from Constable's work. Here, a class of polytime operators is defined, using a generalization of Cobham's definition. The authors provide an affirmative answer to the question of whether there is a natural machine based definition of Mehlhorn's class.<<ETX>>\",\"PeriodicalId\":320781,\"journal\":{\"name\":\"[1991] Proceedings 32nd Annual Symposium of Foundations of Computer Science\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"21\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"[1991] Proceedings 32nd Annual Symposium of Foundations of Computer Science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SFCS.1991.185389\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1991] Proceedings 32nd Annual Symposium of Foundations of Computer Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SFCS.1991.185389","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 21
摘要
a . Cobham(1964)通过归纳定义提出了与机器无关的计算可行性表征。康斯特布尔(1973)显然是第一个考虑二类泛函的可行性的人。K. Mehlhorn(1976)对可行可约性的研究源于Constable的工作。在这里，使用Cobham定义的推广定义了一类多时算子。对于Mehlhorn的类是否存在一个自然的基于机器的定义这个问题，作者提供了一个肯定的答案。
A new characterization of Mehlhorn's polynomial time functionals
A. Cobham (1964) presented a machine-independent characterization of computational feasibility, via inductive definition. R. Constable (1973) was apparently the first to consider the notion of feasibility for type 2 functionals. K. Mehlhorn's (1976) study of feasible reducibilities proceeds from Constable's work. Here, a class of polytime operators is defined, using a generalization of Cobham's definition. The authors provide an affirmative answer to the question of whether there is a natural machine based definition of Mehlhorn's class.<>
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