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Steinhaus' Theorem and Convolution of Functions
Автор: MathGems
Загружено: 2023-12-28
Просмотров: 118
Описание:
In this video we discuss Steinhaus' theorem from measure theory which claims that the difference set E-E of a measurable set E of positive measure contains an open nbd of the origin. For the proof we use the fact that convolution of two L2 functions must be a continuous function.
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