We summarize recent developments on the computation of discrete logarithms in general groups as well as in some specialized settings. More specifically , we consider the following abelian groups: the multiplicative group of nite elds, the group of points of an elliptic curve over a nite eld, and the class group of quadratic number elds.

The goal of this lecture is to review several developments in classical mechanics that have taken place in the last years, that will t in the time of the talk and that I have become aware of. Unfortunately, the latter is a constraint more severe than what I would like and I apologize to the authors and the audience for many things that have been left out. In particular, I have left out topics s...

Congress on Alcohol and Health is updated and submitted to Congress by the Secretary of Health and Human Services (HHS) every 3 years. This important document summarizes recent advances in alcohol research and charts current progress toward preventing and decreasing alcohol abuse and alcoholism. As well as being submitted to Congress, the report is distributed throughout the country to research...

PYTHIA is a general-purpose event generator for multiparticle production in high-energy physics. After a general introduction and program news survey, some areas of recent physics progress are considered: the matching to matrix elements, especially for W/Z production; charm and bottom hadronization; multiple interactions; and interconnection effects. The report concludes with some words on the ...

From the following description, it will be seen that SLED raises the accelerator peak energy by 40% if the present 2.7 1s RF pulse length is used. The energy increase ” is 80% if the pulse length is extended to 5 ps. TO do this, however, changes have to be made in the modulators and trigger system, and the maximum repetition rate has to be halved to maintain the present average power level. In ...

Nanovehicles are a new class of molecular machines consisting of a molecular scale chassis, axles, and wheels, that can roll across solid surfaces with structurally defined directions making them of interest to synthetic chemists, surface scientists, chemical engineers, and the general car enthusiast. In this tutorial review, following a brief introduction to the development of nanomachines, ou...

Gentlemen,— The honor which you annually confer in the appointment of the orator of our yearly festival im poses no ordinary duty, in view of the eloquence and ability which have so uniformly characterized the lessons delivered from this chair. In instituting this Annual Address, the founders of our Society seem to have intended to call in turn upon its fellows for such lessons as individual ex...