DocumentCode
1267865
Title
P versus UP
Author
Vega, F.
Author_Institution
Datys, Havana, Cuba
Volume
10
Issue
4
fYear
2012
fDate
6/1/2012 12:00:00 AM
Firstpage
2006
Lastpage
2009
Abstract
The existence of one-way functions is a question that has not yet been answered. If we solve the problem P versus UP showing that both classes are different, then it would result in fact there are strong one-way functions and thus P is not equal to NP. In this work we showed that some kinds of unambiguous Turing machines can not be converted into deterministic, because it will imply that some Turing machines which do not halt for some inputs could be decided in polynomial time by certain deterministic Turing machines. But, is impossible that we can decide in polynomial time over a deterministic Turing machine if any deterministic Turing machine does not halt in polynomial time. Therefore by the rule of reduction ad absurdum we have that P and UP are different.
Keywords
Turing machines; computational complexity; deterministic algorithms; P problem; UP problem; complexity classes; deterministic turing machines; one-way functions; polynomial time; Abstracts; Complexity theory; Computational modeling; Polynomials; Silicon; Silicon compounds; Turing machines; Complexity classes; One-way functions; Turing machines;
fLanguage
English
Journal_Title
Latin America Transactions, IEEE (Revista IEEE America Latina)
Publisher
ieee
ISSN
1548-0992
Type
jour
DOI
10.1109/TLA.2012.6272487
Filename
6272487
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