22 citations · 38 across the 7 of their papers we have counts for
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math.SP2020
The shifted harmonic oscillator and the hypoelliptic Laplacian on the circle
Boris Mityagin, Petr Siegl, Joe Viola
We study the semigroup generated by the hypoelliptic Laplacian on the circle and the maximal bounded holomorphic extension of this semigroup. Using an orthogonal decomposition into…
math.SP2020
The damped wave equation with singular damping
Pedro Freitas, Nicolas Hefti, Petr Siegl
We analyze the spectral properties and peculiar behavior of solutions of a damped wave equation on a finite interval with a singular damping of the form , . We establish…