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On Backdoors To Tractable Constraint Languages

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Academic year: 2021

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Figure

Fig. 1. Example of reduction from a 3-Hitting Set instance to the problem of finding a backdoor to the class T
Fig. 2. Example of the construction for U = (u 1 , . . . , u 7 ), two sets S 1 = (u 2 , u 4 , u 5 ),

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