hilbert2's latest activity
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hilbert2 replied to the thread Insights AI Enriched Problem Solving.Someone's made a proposed proof that ##\zeta (5)## is an irrational number, probably with the help of AI tools... -
You can prove ##\ln (1-z)## converges everywhere on the unit circle except at ##z=1## by Dirichlet's test: Fix ##z## in the unit circle...
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hilbert2 replied to the thread Graduate Series with rotating phase.A good point, I didn't think of it as defining a function of ##c##, just as a series that produces a number when summed. The sum of...
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It's a basic fact that the harmonic series ##\displaystyle\sum_{n=1}^{\infty}\frac{1}{n}## diverges, while the similar series with...
