"Ordinary differential equations" . "Quantum mechanics" . "Signal processing" . "Optics" . "Wavelets" . "Classical mechanics" . "Spectroscopy" . "Artistic techniques" . "Singular value decomposition" . "Project management techniques" . "Regression with time series structure" . "Optical instruments" . "Time\u2013frequency analysis" . "Interferometry" . "Plasma diagnostics" . "Interference" . "Research methods" .