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Lecture Notes in Computer Science
We study the approximability of the maximum solution problem. This problem is an optimisation variant of the constraint satisfaction problem and it captures a wide range of interesting problems in, for example, integer programming, equation solving, and graph theory. The approximability of this problem has previously been studied in the two-element case [Khanna et al, 'The approximability of constraint satisfaction', SIAM Journal on Computing 23 (6) , 2000] and in some algebraically motivateddoi:10.1007/978-3-642-03351-3_21 fatcat:iyoy6rxvufarxajkb2zx626uoq