by Anthony Salib | Aug 23, 2020 | Pure Maths

So last week we talked about the Baire Category Theorem, and this important tool will give us three equivalent theorems about the qualitative properties of operators on Banach spaces. Today we will begin with the first theorem, uniform boundedness. The proof of this...
by Anthony Salib | Aug 23, 2020 | Problem Solving, Pure Maths

This one is simple! Why is called...
by Anthony Salib | Aug 16, 2020 | Problem Solving

So this problem is in line with the post of this week, Baire’s Lemma. Have a go and let me know your thoughts in the comments! Let be unbounded and open. Then let the set Prove that is dense in...
by Anthony Salib | Aug 13, 2020 | Pure Maths

So today I am starting a new series on the Principles of Functional Analysis to give you all an appreciation for the power that these simple truths hold. We will start today with Baire’s Lemma , which will require some definitions, hopefully, all familiar. (If...
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