Vascular lesions in the neonate and infant are categorized as hemangiomas or malformations. Although their appearances may be similar, the pathobiology, natural history, and prognosis of theseâ€¦ (More)

We investigate the form assumed by the uncertainty relation when the signal involved is real and the uncertainty in frequency is defined as the variance of [F+(~)12, where F+(o~) is the positiveâ€¦ (More)

We study the power spectrum and, more generally, the spectral covariance of weighted stationary processes. It is found that if the power spectrum of the underlying stationary process is suitably wellâ€¦ (More)