Titlebook: Knowledge Acquisition, Modeling and Management; 10th European Worksh Enric Plaza,Richard Benjamins Conference proceedings 1997 Springer-Ver

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Knowledge Acquisition, Modeling and Management978-3-540-69606-3Series ISSN 0302-9743 Series E-ISSN 1611-3349

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Dedication

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機(jī)械

Ibd810

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Pim Borst,Hans Akkermans novel properties. Recently, mechanical lattices have been found to have similarly rich structure in their phononic excitations, giving rise to protected uni-directional edge modes. In all these cases, however, as well as in other topological metamaterials, the underlying structure was finely tuned,

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Robin Boswell,Susan Crawl,Ray Roweves. In these structures, the time-reversal symmetry breaking that enables their topological behavior emerges directly from the lattice geometry. Here we show that variations in the lattice geometry can give rise to more complex band topology than has been previously described. A “spindle” lattice (

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Frank Cornelissen,Catholijn M. Jonker,Jan Treurontrollability. The problem of controllability is essentially one of describing the nature of the set of states reachable from an initial state. In the development of this theory, there are two properties that arise as being important. The first is the property of “accessibility,” which means that t