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Relaxations of associativity and preassociativity for variadic functions

机译:可变性函数的关联性和关联性的松弛

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In this paper we consider two properties of variadic functions, namely associativity and preassociativity, that are pertaining to several data and language processing tasks. We propose parameterized relaxations of these properties and provide their descriptions in terms of factorization results. We also give an example where these parameterized notions give rise to natural hierarchies of functions and indicate their potential use in measuring the degrees of associativeness and preassociativeness. We illustrate these results by several examples and constructions and discuss some open problems that lead to further directions of research. (C) 2015 Elsevier B.V. All rights reserved.
机译:在本文中,我们考虑了可变参数函数的两个属性,即关联性和预关联性,它们与几种数据和语言处理任务有关。我们提出了这些特性的参数化松弛,并根据分解结果提供了它们的描述。我们还给出了一个示例,其中这些参数化的概念引起了函数的自然层次,并指出了它们在测量关联度和预关联度方面的潜在用途。我们通过几个示例和构造来说明这些结果,并讨论一些导致进一步研究方向的未解决问题。 (C)2015 Elsevier B.V.保留所有权利。

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