A Complete Study of the Pseudo‐Spectrum for the Rotated Harmonic Oscillator

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Pseudospectra in non-Hermitian quantum mechanics (2014, background): “The asymptotic behaviour of the pseudospectrum has been also studied in [56, 18].”
DEGENERATE PARABOLIC OPERATORS OF KOLMOGOROV TYPE WITH A GEOMETRIC CONTROL CONDITION (2015, unknown): “for some C′ ε > 0, see for instance [41].”
From resolvent bounds to semigroup bounds (2010, background): “From these works as well as those of K. Pravda Starov [19] and Dencker-Sjöstrand-Zworski [7], we know that for fixed Re z as Im z → +∞, lim Im z→+∞ |”