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Recognition problems and communication complexity

机译:识别问题和沟通复杂性

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A special case of combinatorial search, the recognition problem is examined in this article. (H, A, f) is a recognition problem if H is a set, A is a set system on H and f: H→{0,1} is a function. Someone chooses an arbitrary x ∈ H and instead of determining x itself (which is the case in most of the search problems) we only have to determine the value f(x) for the given function f from as few questions of type "is x ∈A?" as possible, where A ∈A. The smallest number of questions needed in the worst case is called the recognition complexity of f over A on H. After surveying some general results, a new class of set systems is introduced and analyzed, generalizing Yao's model of two-party communication complexity.
机译:在组合搜索的一种特殊情况下,本文将讨论识别问题。如果H是集合,A是H上的集合系统,并且f:H→{0,1}是一个函数,则(H,A,f)是一个识别问题。有人选择一个任意的x∈H,而不必确定x本身(在大多数搜索问题中就是这种情况),我们只需从很少的类型为“ is x”的问题中确定给定函数f的值f(x)即可。 ∈A?”尽可能地,A∈A。在最坏的情况下需要最少数量的问题称为f相对于H的f的识别复杂度。在调查了一些一般结果之后,引入并分析了新的一类集合系统,对Yao的两方通信复杂度模型进行了概括。

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