On finite sums of periodic functions
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DOI: 10.1515/gmj-2019-2076
Abstract: Abstract It is shown that any function acting from the real line ℝ {\mathbb{R}} into itself can be expressed as a pointwise limit of finite sums of periodic functions. At the same time, the real… read more here.
Keywords: periodic functions; sums periodic; finite sums; limit finite ... See more keywords