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 | Dec 28, 2018 | Problem Solving, Pure Maths

I recently learnt a really neat trick when it comes to proving two quantities are equivalent. It started of with my supervisor claiming that for some and , (1) is obvious. To me, it was not obvious at all, and may not be so obvious to you either. But what my...
by Anthony Salib | Dec 16, 2018 | Problem Solving

I am currently in China doing a lot of nice work on the wave equation, can’t wait to tell you all about it! But here is a nice problem I did for fun. Today we will look at a Putnam Problem, here is the question, (screenshot from the problem sheet that can be...
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