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Topological regular variation: II. The fundamental theorems

机译:拓扑规则变化:II。基本定理

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This paper investigates fundamental theorems of regular variation (Uniform Convergence, Representation, and Characterization Theorems) some of which, in the classical setting of regular variation in E, rely in an essential way on the additive semigroup of natural numbers N (e.g. de Bruijn's Representation Theorem for regularly varying functions). Other such results include Goldie's direct proof of the Uniform Convergence Theorem and Seneta's version of Kendall's theorem connecting sequential definitions of regular variation with their continuous counterparts (for which see Bingham and Ostaszewski (2010) [13]). We show how to interpret these in the topological group setting established in Bingham and Ostaszewski (2010) [12] as connecting N-flow and R-flow versions of regular variation, and in so doing generalize these theorems to R~d. We also prove a flow version of the classical Characterization Theorem of regular variation.
机译:本文研究了正则变化的基本定理(一致收敛,表示和特征定理),其中一些在经典的E正则变化中,以本质方式依赖于自然数N的加法半群(例如de Bruijn的表示)定期改变函数的定理)。其他这样的结果包括Goldie的一致收敛定理的直接证明和Seneta的Kendall定理的版本,这些规则将正则变异的连续定义与它们的连续对应关系相连接(有关信息,请参见Bingham和Ostaszewski(2010)[13])。我们展示了如何在Bingham和Ostaszewski(2010)[12]中建立的拓扑组设置中将这些解释为将N流量和R流量版本的规则变化联系起来,从而将这些定理推​​广到R〜d。我们还证明了规则变化的经典刻画定理的流程版本。

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