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Results tagged with real-analysis
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user 445211
Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.
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Oscillatory integrals with a decaying factor in the integrand
Lemma 4.5 of Titchmarsh's book The Theory of the Riemann Zeta function says (slightly rephrased):
Let $F$ be a twice differentiable real function such that $ F''(x) \geq r > 0$ for all $x$ in $[a,b]$ …
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