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A new study by ecologist André de Roos shows that differences between juveniles and adults of the same species are crucial for the stability of complex ecological communities. The research, published in
Proceedings of the National Academy of Sciences, represents a major advance in ecological modeling at a time when biodiversity is declining and species around the world are rapidly going extinct.
Up to now, ecological models have focused exclusively on the interactions between species, ignoring the variations within them. The dragonflies, frogs, trout, and phytoplankton in a freshwater pond, for example, would be represented as nodes in a network, connected by edges that represent how each species feeds on the others.
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COLLEGE PARK, Md. The U.S. Army plans to cooperate in artificial intelligence research with teams led by the University of Maryland, College Park and in partnership with the University of Maryland, Baltimore County. The cooperative agreement brings together a collaborative of nearly 30 diverse experts in engineering, robotics, computer science, operations research, modeling and simulation, and cybersecurity.
With the Army s goal of seeking transformational advances in artificial intelligence and autonomy, Army and academic officials said this partnership will accelerate the development and deployment of safe, effective and resilient capabilities and technologies, from wearable devices to unmanned aircraft, that work intelligently and in cooperation with each other and with human actors across multiple environments.
This book explains general and specific types of subharmonic functions, related partial differential equations, mathematical proofs and extension results.