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Zeta functions for varieties over finite fields

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What are the Weil conjectures about?

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Etale cover - open cover analogy

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Grothendieck topologies

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A very interesting differential equation.

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What Lies Between a Function and Its Derivative? | Fractional Calculus

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Innocent looking, but ????

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What does the Laplace Transform really tell us? A visual explanation (plus applications)