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Results tagged with ca.classical-analysis-and-odes
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user 7911
Special functions, orthogonal polynomials, harmonic analysis, ordinary differential equations (ODE's), differential relations, calculus of variations, approximations, expansions, asymptotics.
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Distribution of zeros
Suppose $f(z) = P(z)e^{Q(z)}$ where $P,Q$ are real polynomials. What is the number of non-real zeros of $f^{(k)}$ as $k$ increases?
We know that $f''$ has $\geq m$ zeros where $m$ depends on $Q(z)$. …
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