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math-ph2024
Superoscillations in the hypercomplex setting
F. Colombo, F. Mantovani, S. Pinton +1
Superoscillatory functions represent a counterintuitive phenomenon in physics but also in mathematics, where a band-limited function oscillates faster than its highest Fourier comp…
math.RT2024
Casimir Radial Parts via Matsuki Decomposition
Philip Schlösser, Mikhail Isachenkov
We use Matsuki's decomposition for symmetric pairs of (not necessarily compact) reductive Lie groups to construct the radial parts for invariant differential operators act…