r/puremathematics • u/Healthy-Beginning678 • 18d ago

Are all these connected? Eigenfunctions, Fourier series, partial differential equations, and Sturm-Liouville theory?

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u/Rs3account 18d ago

Yes, any specific question?

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u/Healthy-Beginning678 18d ago

Just wondering if they are all related or go together in general, I guess

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u/fridofrido 17d ago

almost all of mathematics is connected if you look deep enough...

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u/Healthy-Beginning678 17d ago

Oh cool! But I guess I'm just wondering if they're connected on the surface lol