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functional analysis - Proof that a linear map T is bounded if and only if the inverse image of the unit ball has nonempty interior - Mathematics Stack Exchange
![Math400 - Functional Analysis - Section 4.3 - Part 2 - The Banach -Alaoglu-Bourbaki theorem - YouTube Math400 - Functional Analysis - Section 4.3 - Part 2 - The Banach -Alaoglu-Bourbaki theorem - YouTube](https://i.ytimg.com/vi/efEBSnKfdWs/hq720.jpg?sqp=-oaymwE7CK4FEIIDSFryq4qpAy0IARUAAAAAGAElAADIQj0AgKJD8AEB-AHUBoAC4AOKAgwIABABGBMgEyh_MA8=&rs=AOn4CLA0Yycwr7tF8W9ecAweJGdinO4Gng)
Math400 - Functional Analysis - Section 4.3 - Part 2 - The Banach -Alaoglu-Bourbaki theorem - YouTube
THE MULTIPLIERS OF L1([0,1]) WITH ORDER CONVOLUTION by Ronald Larsen Wesleyan University, Middletown, Connecticut and University
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