This study is part of the Follow up Restoration Program of animal communities that colonize the Guadiamar River Basin. In 1998, the area was affected by a release of toxic sludge after the retention walls of the Aznalcóllar Mines (southern Iberian Peninsula) broke. The main objective of this study was to assess the current state of the population of Tenebrionidae, one of the most representative...

the crises sometimes cause a man(zawj) to become absent so that no news have been received from him. shiite and sunnite religions have two opinions about the situation of the wife(zawjah) of the continuously absent person: patience until his life or death becomes clear, and waiting four months and ten days(ieddeh of death) after waiting for a determined period. shiite jurists, in condition that...

Preference aggregation in a multiagent setting is a central issue in both human and computer contexts. In this paper, we study in terms of complexity the vulnerability of preference aggregation to destructive control. That is, we study the ability of an election’s chair to, through such mechanisms as voter/candidate addition/suppression/partition, ensure that a particular candidate (equivalentl...