The Squatters' Movement in Europe: A Durable Struggle for Social Autonomy in Urban Politics

Squatting empty properties for living or to develop public activities has lasted in European cities for more than three decades. Although local and national contexts differ significantly, there are also some general trends and patterns that deserve careful attention. When squatting occasionally appears in public debates, controversy is generated and many gaps open between academic, social and political perceptions. In this article I use evidence from several European cities to argue that the squatters' movement has produced an original impact in urban politics. The main feature of this impact has been to generate a relatively wide autonomous and mainly non‐institutional mode of citizen participation, protest and self‐management. How has this been possible? Which are the specific contributions made by this urban movement? These are questions that both scholars and activists continuously claim to be relevant, so that this research attempts to offer some general answers based on detailed comparisons and experiences.     

Latest developments in rock art recording: towards an integral documentation of Levantine rock art sites combining 2D and 3D recording techniques

This paper presents a further step in the integral documentation of prehistoric rock art, combining 2D and 3D digital recording techniques. Image processing and digital enhancement techniques are an invaluable aid to obtain high quality and accurate 2D recordings, especially when working with faint motifs or complex superimpositions. But what constitutes a real breakthrough is the possibility of combining 2D digital tracings with metric 3D models, providing a whole set of metric outputs that improve our understanding of the motifs in their context and, at the same time, can be used to deliver accurate metric reproductions.     

The Henequen Ports of Yucatan’s Gilded Age

Over the last two centuries, the coast has played a major role in the economy of Yucatán, and has served as a key venue in its growing engagement in the global economy. A prominent chapter in this history took place during the Gilded Age (1860–1915), which saw the emergence of a powerful plantation class whose wealth was based on meeting international demand for the fiber of the agave, or henequen plant, which was used to manufacture rope, cordage, and twine. The cultivation of this plant gave rise to hundreds of plantations, and an accompanying infrastructure of haciendas, fiber processing plants, and an extensive regional network of railways for transporting henequen to the port of Progreso, from whence it was exported to North America and Europe. As part of this infrastructure, several plantation owners laid rail lines from their haciendas to the coast and built small ports for shipping their henequen to Progreso. These ports, which are documented in these pages, represented a substantial capital outlay, and were built under the shadow of the gathering clouds of the Mexican Revolution. Viewed in retrospect, they offer an insightful perspective on the economic outlook of the Yucatecan elites in the dawn of the modern age.     

Multinational Knowledge Strategies,Policy and the Upgrading Process of Regions: Revisiting the Automotive Industry in Ostrava and Shanghai

This paper revisits how and why new multinational knowledge-based strategies and multi-level governmental policies influence the upgrading process of regions in developing economies. Automotive multinationals traditionally exploited local asset conditions, but it is shown that they have also been contributing to knowledge-generation systems via investments in R&D centres and cooperation with regional knowledge producers. We discern three elements of the upgrading process of regions—upgrading of domestic firms, subsidiary evolution and establishment of strategic relations with local knowledge institutes—to analyse two case studies: Ostrava (Czech Republic) and Shanghai (China). The cases show that all types of upgrading—product, process, chain and functional—have taken place in the last years, and that follow sourcing may have a positive impact on regional upgrading. These observations provide lessons for governments in developing economies which aim to strengthen innovation-based regional development.     

An experimental approach to the study of interpersonal violence in Northeastern Patagonia (Argentina), during the late Holocene

This paper incorporates an experimental approach to the study of violence patterns in Northeastern Patagonia (Argentina) during the late Holocene. The underlying hypothesis considers a close association between socio-ecologic alterations during the Medieval Climatic Anomaly (MCA) (ca. 1150-600 years BP; Stine, 1994, 2000) and a probable increase in conflict levels. In order to test this hypothesis, human skulls (n = 986) were analyzed for bone lesions, discriminating late bone lesions, such as those produced by metal tools. The experimental approach used swine (Sus scrofa domestica) skulls, as proxies for human skulls, and incorporated original sabers. From this discriminating analysis, it can be inferred that no significant increase in violence signs were recorded until the first stages of Hispanic-indigenous contact (first half of 17th century). These findings emphasize the need for a revision of the implications of the dynamics of human populations in Northeastern Patagonia during the late Holocene.     

Seismic Vulnerability of Building Contents for a Given Occupancy Due to Multiple Failure Modes

A methodology is presented for assessing the seismic vulnerability of inventories of contents to multiple failure modes. An ordering method to find out probabilities of failure of a conditional mode upon the survival of the other modes is applied. The procedure considers the statistical correlation of failure modes due to the dynamic response, such as sliding and/or overturning, of contents and also to non structural components. This methodology was applied to inventories of four types of occupancy (house, school, office, and hospital) located in Mexico City, considering that all contents are situated at ground level. Expected damage functions for these inventories show large differences between them, the house and school inventories being the least vulnerable, and the hospital inventory, the most vulnerable, even for low intensities.     

Optimal Spectral Acceleration-based Intensity Measure for Seismic Collapse Assessment of P-Delta Vulnerable Frame Structures

This study proposes an “optimal” spectral acceleration-based intensity measure (IM) to assess the collapse capacity of highly inelastic frame structures vulnerable to the P-delta effect. The IM is derived from the geometric mean of the spectral pseudo-acceleration over a certain period interval. The lower bound period of the averaging interval is related to the mode in which 95% of the effective modal mass is exceeded. The upper bound period is 1.6 times the fundamental period. This IM provides minimum, or close to the minimum, dispersion for frames with different fundamental periods of vibration, or number of stories.     

El laberinto espacio-temporal en dos relatos de El llano en llamas de Juan Rulfo

The pattern of Latin American Boom criticism developed by Donald L. Shaw established that Juan Rulfo's protagonists are universal, not regional. In this interpretative mode, espoused by Graciela B. Coulson and others, Rulfo's characters are viewed as powerless to alter their own destinies. Humans are dominated and doomed by the hostile natural world that surrounds them. However, through a detailed analysis of Rulfo's technique and the internal and external structure of two of Rulfo's short stories in El llano en llamas—“No oyes ladrar a los perros” and “Es que somos muy pobres”—a new theoretical framework emerges for the study of Rulfo's work. In these two stories, Rulfo imagines the llano as a space that individuals control through their personal choices and actions. This article proposes, therefore, that Rulfo's protagonists are not victims of their environment, but rather the perpetrators of its violence.