Topics from March 2007 Raising questions, 70-73 Posted by Stephan Paukner on Convolving a zebra with modulated Gaussians Posted by Stephan Paukner on Time-frequency shifts of a 2D-Gaussian (Addendum) Posted by Stephan Paukner on Time-frequency shifts of a 2D-Gaussian Posted by Stephan Paukner on Modulating a 2D-Gaussian Posted by Stephan Paukner on What next? Posted by Stephan Paukner on