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El trabajo ha sido desarrollado en torno al estudio de modelos matem´aticos de los memristores y sistemas memristivos an´alogos, se presenta una revisi´on de los art´ıculos y textos m´as relevantes que han contribuido al desarrollo del tema desde que el profesor Chua propuso el memristor como el cuarto elemento b´asico de circuitos en 1971, se analizan circuitos que incluyen elementos no lineales tipo memristor
From Prehistory to the Middle Ages, from the Spanish mainland to the Portuguese Atlantic Coast, the Duero (or Douro as it is known in English because of its Portuguese translation) has served as a river of great historical importance. It is a river flowing from the past into the future with the legacy of the Homo Antecessor and the most ancient remains of European Prehistory, showcasing the first samples of inland farming during the Iberian Neolithic period and many examples of Schematic Rock Art. Before the total obliteration of archaeological sites in the Duero valley due to active agricultural labours and the course of time itself, the Archaeological and Protohistoric Society of Zamora, Z...
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As sessile organisms, plants have to cope with a multitude of natural and anthropogenic forms of stress in their environment. Due to their longevity, this is of particular significance for trees. As a consequence, trees develop an orchestra of resilience and resistance mechanisms to biotic and abiotic stresses in order to support their growth and development in a constantly changing atmospheric and pedospheric environment. The objective of this Special Issue of Forests is to summarize state-of-art knowledge and report the current progress on the processes that determine the resilience and resistance of trees from different zonobiomes as well as all forms of biotic and abiotic stress from the molecular to the whole tree level.