On a Conjecture of Chen and Huang
نویسندگان
چکیده
منابع مشابه
On the Chen Conjecture regarding the complexity of QCSPs
Let A be an idempotent algebra on a finite domain. We combine results of Chen [6] and Zhuk [10] to argue that if Inv(A) satisfies the polynomially generated powers property (PGP), then QCSP(Inv(A)) is in NP. We then use the result of Zhuk to prove a converse, that if Inv(A) satisfies the exponentially generated powers property (EGP), then QCSP(Inv(A)) is co-NP-hard. Since Zhuk proved that only ...
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ژورنال
عنوان ژورنال: Journal of Mathematical Analysis and Applications
سال: 1997
ISSN: 0022-247X
DOI: 10.1006/jmaa.1997.5261