Disparition de l'article 80

Cryptanalyse de Achterbahn-128/80

This paper presents two attacks against Achterbahn-128/80, the last version of one of the stream cipher proposals in the eSTREAM project. The attack against the 80-bit variant, Achterbahn-80, has complexity 2^{56.32}. The attack against Achterbahn-128 requires 2^{75.4} operations and 2^{61} keystream bits. These attacks are based on an improvement of the attack due to Hell and Johansson against...

Bulletin de méthodologie sociologique, 80 | 2003

The famous "allow"-"forbid" example of question-wording effect, originally published in 1941 byDaniel Rugg, is tested in a local survey in Germany, based on a quota sample and on face-to-faceinterviews (N=620). Not only the original question wording enters into the split-ballotexperiment, but also an extended-version questionnaire where the response alternatives areexplicitly st...

Some predictions of Rafael Lorente de Nó 80 years later

Rafael Lorente de Nó, the youngest of Santiago Ramón y Cajal disciples, was one of the last Century's more influential researches in neuroscience. This assay highlights two fundamental contributions of Rafael Lorente de Nó to neurobiology: the intrinsic organization of the mammalian cerebral cortex and the basic physiology of the neuron processes.

The Sociedade Brasileira de Ortopedia e Traumatologia turns 80

A Sociedade Brasileira de Ortopedia e Traumatologia faz 80 anos Practicing medicine is an individual activity, since ethics and professional responsibility are personal. There is no way in which we can share responsibility regarding medical acts, nor can we ascribe ethical responsibility to institutions. On many occasions, situations with consequences that affect physicians but in which their p...

[Summarized sketch of 80 years of Archivos de Cardiología de México].