Reduction (Complexity): Computability Theory, Computational Complexity Theory, Computational Problem, Complexity Class - Couverture souple

 
9786131308765: Reduction (Complexity): Computability Theory, Computational Complexity Theory, Computational Problem, Complexity Class

Synopsis

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computability theory and computational complexity theory, a reduction is a transformation of one problem into another problem. Depending on the transformation used this can be used to define complexity classes on a set of problems. Intuitively, problem A is reducible to problem B if solutions to B exist and give solutions to A whenever A has solutions. Thus, solving A cannot be harder than solving B. We write A ¿ B, usually with a subscript on the ¿ to indicate the type of reduction being used.

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