منابع مشابه
The psychiatrist and political dissidents.
Healthy dissidence is part of the stuff of politics but when does health break down into ill health and how does that ill health manifest itself? In violence, street riots, anarchism, terrorism, revolution, civil war, or in forms of deviant thought and behavior that may be regarded as manifestations of mental illness? The term dissenter came into being in 1639 to describe individuals who separa...
متن کاملHonoring our helpers.
This special issue of the Journal of Radiology Case Reports honors the reviewers who donated their time and expertise to the high quality and success of this journal.
متن کاملHelping the helpers
One of the many drawbacks of quarterly journals is that material is often not timely. Tragically, the events in the US have an eerie, timeless quality. As I write this editorial, the terrorist attacks are only a week old. No one needs a reminder of the grisly, almost unbelievable images. But as editor of a journal called Injury Prevention I feel compelled to ask how this might have been prevent...
متن کاملComputational Divided Differencing and Divided-Difference Arithmetics
Tools for computational differentiation transform a program that computes a numerical function F(x) into a related program that computes F ′(x) (the derivative of F). This paper describes how techniques similar to those used in computational-differentiation tools can be used to implement other program transformations—in particular, a variety of transformations for computational divided differen...
متن کاملHow Helpers Hasten h-Relations
We study the problem of exchanging a set of messages among a group of processors using the model of simplex communication. Each processor has a unidirectional connection into a fast network. Messages may consist of diierent numbers of packets. Let h denote the maximum number of packets that a processor must send and receive. If all the packets need to be delivered directly, at least 3 2 h commu...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1982
ISSN: 0028-0836,1476-4687
DOI: 10.1038/295450c0