1. Un objet fuyant Serge Berstein et Jean-Jacques Becker nous rappellent que l’anticommunisme a ete peu etudie, contrairement d’autres mouvements definis par leur opposition un systeme ou une ideologie. Cette carence est peut-etre liee l’illegitimite longtemps ressentie grande partie de la communaute universitaire se pencher sur inclination qui lui etait profondement etrangere : comment pouvait...

A priori, real economic freedom is purchasing (and selling) power. Yet, Xu’s theorem comforts ranking the freedom of choice provided by budget sets as their volume in deriving it from three axioms. However, one and a half of these axioms can be discussed. In contrast, the standard measure of purchasing power leads one to order the freedom provided by budget sets as the distance to the origin of...

Used fairly frequently in computer vision in the late 1990s, histograms are a convenient way of packaging a distribution. A histogram (Fig. 1) is a non-parametric estimate of a density, in contrast to a parametric approach such as fitting a Gaussian to a sample of data, which is completely defined by two parameters. Histograms, on the other hand, are defined by their bin sizes. Similar to choos...

The development of molecular tools and phylogenetic methods have contributed to the explosion of taxonomic and phylogenetic investigations on parasites (both microand macroparasites, i.e. from viruses, bacteria, protists to arthropods and helminths), increasing our knowledge of considerable, and often cryptic, parasitic diversity. Concomitantly, the studies of host–parasite interactions and par...

T his article is the second in a two-part series in memory of Serge Lang, who passed away on September 12, 2005. In the first article, which appeared in the May2006 issueof theNotices , we invited contributions from a number of individuals who knew Serge on a somewhat personal level. For this part, we sought expositions which would describe, with certain technical details as necessary, aspects ...

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This paper is an attempt to evaluate the effect a cat bond issue has on the stock price of the issuing company by conducting an event study including cat bond issues done by publicly traded insurers and reinsurers. We find no significant price effect in either direction. This is consistent with the hypothesis that paid premiums are justified and total costs and benefits of laying off cat risk i...