关于用相关权函数定义的奥尔利奇类

Gerhard Schindl
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引用次数: 0

摘要

N 函数及其增长和正则特性对于引入和研究奥立兹类和奥立兹空间至关重要。我们考虑的 N 函数是由所谓的关联权重函数给出的。这些函数经常出现在超微分函数类的理论中,在这种情况下,由于关联权重函数是根据给定权重序列定义的,因此可以获得更多信息。我们纯粹用权重序列来表达和描述 N 函数的几个已知性质,从而构建出(反)实例。此外,我们还研究了对于抽象给定的 N 函数,这一框架是如何变得有意义的,最后我们建立了互补 N 函数与最近引入的所谓对偶序列概念之间的联系。
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On Orlicz classes defined in terms of associated weight functions

N-functions and their growth and regularity properties are crucial in order to introduce and study Orlicz classes and Orlicz spaces. We consider N-functions which are given in terms of so-called associated weight functions. These functions are frequently appearing in the theory of ultradifferentiable function classes and in this setting additional information is available since associated weight functions are defined in terms of a given weight sequence. We express and characterize several known properties for N-functions purely in terms of weight sequences which allows to construct (counter-) examples. Moreover, we study how for abstractly given N-functions this framework becomes meaningful and finally we establish a connection between the complementary N-function and the recently introduced notion of the so-called dual sequence.

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