This paper concerns the reconstruction of the absorption and scattering parameters in a time-dependent linear transport equation from full knowledge of the albedo operator at the boundary of a bounded domain of interest. We present optimal stability results on the reconstruction of the absorption and scattering parameters for a given error in the measured albedo operator.

Jackson et al describe a complex timing cycle interaction in a patient with a dual-chamber implantable cardioverter– defibrillator. The intracardiac electrograms provided along with their description of an algorithmic approach to differential diagnosis is ripe with teaching points typical of the bedside rounds of yesteryear. Complex cases require not only meticulous logical analysis of the avai...