Satisfiability problem for modal logic with global counting operators coded in binary is NEXPTIME-complete

被引:3
|
作者
Zawidzki, Michal [1 ,2 ]
Schmidt, Renate A. [2 ]
Tishkovsky, Dmitry [2 ]
机构
[1] Univ Lodz, Dept Log, PL-90131 Lodz, Poland
[2] Univ Manchester, Sch Comp Sci, Manchester M13 9PL, Lancs, England
基金
英国工程与自然科学研究理事会;
关键词
Modal logic; Counting quantifiers; Computational complexity; Tiling problem; Finite model property; Theory of computation;
D O I
10.1016/j.ipl.2012.09.007
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper provides a proof of NEXPTIME-completeness of the satisfiability problem for the logic K(E-n) (modal logic K with global counting operators), where number constraints are coded in binary. Hitherto the tight complexity bounds (namely EXPTIME-completeness) have been established only for this logic with number restrictions coded in unary. The upper bound is established by showing that K(E-n) has the exponential-size model property and the lower bound follows from reducibility of exponential bounded tiling problem to K(E-n). (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:34 / 38
页数:5
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