A 5-configuration is a collection of points and straight lines in the Euclidean plane so that each point lies on five lines and each line passes through five points. We describe how to construct the first known family of 5-configurations with chiral (that is, only rotational) symmetry, and prove that the construction works; in addition, the construction technique produces the smallest known geo...

Empires have transformed political, social, and environmental landscapes in the past and present. Although much research on archaeological empires focuses on large-scale imperial processes, we use biogeochemistry and bioarchaeology to investigate how imperialism may have reshaped regional political organization and regional migration patterns in the Wari Empire of the Andean Middle Horizon (ca....

Óscar Recio Morales 304pp. Dublin 2009. ISBN: 978-1-84682-183-7. €65.00 In the wake of the Irish-Spanish defeat at Kinsale (1602), through army careers and the concession of nobility titles, Spanish kings placed the Irish exiled lords and gentry in an advantageous position on a par with the nobility in the early modern Spanish world. Imposition of orthodox Catholicism within the Spanish realms ...

The term " 24-Hour Knowledge Factory " connotes a globally distributed work environment in which members of the global team work on a project around the clock; each member of the team works the normal workday hours that pertain to his or her time zone. At the end of such a workday, a fellow team member located in a different time zone continues the same task. This creates the shift-style workfo...

The imperial policy of Russia in the 18th and early 19th centuries led to the formation of various diasporas, with the largest being of Polish, Jewish, German and Finnish origin. They were the focus of attention of the tsarist administration while their status was regulated by a variety of laws. Specific features that distinguished social, political and economic development of the Russian Empir...