Stoppers or Modeling Tools

Reduced Canonical Forms of Stoppers

The reduced canonical form of a loopfree game G is the simplest game infinitesimally close to G. Reduced canonical forms were introduced by Calistrate, and Grossman and Siegel provided an alternate proof of their existence. In this paper, we show that the Grossman–Siegel construction generalizes to find reduced canonical forms of certain loopy games.

Tools for thought or thoughts for tools?

B ird and Emery report in this issue of PNAS (1) that rooks (Corvus frugilegus), corvids that do not habitually use tools in the wild, appear to possess tool-related capabilities hitherto known only in their tool-using relatives, the New Caledonian crows (Corvus moneduloides) (2–5). Their findings are striking in more than one respect, but it is of particular interest to evaluate their signific...

Object{oriented Modeling Tools

Cork stoppers industry: defining appropriate mould colonization.

AIMS The main aims of this work were the study of cork slabs moulds colonization and the evaluation of the moulds diversity during cork processing steps, in different cork stoppers factories. Simultaneously, it was envisaged to perform an evaluation of the air quality. METHODS AND RESULTS Moulds were isolated and identified from cork slabs and cork samples in four cork stoppers factories. The...

Colloidal analogs of molecular chain stoppers.

A similarity between chemical reactions and self-assembly of nanoparticles offers a strategy that can enrich both the synthetic chemistry and the nanoscience fields. Synthetic methods should enable quantitative control of the structural characteristics of nanoparticle ensembles such as their aggregation number or directionality, whereas the capability to visualize and analyze emerging nanostruc...