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math.PR updates on arXiv.org

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Direction distribution for nodal components of random band-limited functions on surfaces
Suresh Eswarathasan, Igor Wigman · 2019-10-24 · via math.PR updates on arXiv.org

Let $(M,g)$ be a smooth compact Riemannian surface with no boundary. Given a smooth vector field $V$ with finitely many zeroes on $M$, we study the distribution of the number of tangencies to $V$ of the nodal components of random band-limited functions. It is determined that in the high-energy limit, these obey a universal deterministic law, independent of the surface $M$ and the vector field $V$, that is supported precisely on the even integers $2 \mathbb{Z}_{> 0}$.

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