| J. Graver, B. Servatius, and H. Servatius. Combinatorial Rigidity. American Mathematical Society, 1993. |
....with linear (i.e. double integrator) dynamics. Later, in [11] we formalized the notion of formations of multiple agents vehicles and minimal requirements, in terms of the number of edges, for uniquely specifying a formation. This is done based on the tools from combinatorial graph rigidity [12, 13, 14, 15]. Here, we add specification of foldability [10] to the definition of a formation graph. In addition, we explicitly specify the required cost for navigation and tracking in formation for a group of vehicles. In [16] for the special case of three vehicles, the problem of formation stabilization is ....
J. Graver and H. Servatius, B. Servatius, Combinatorial Rigidity, vol. 2 of Graduate Studies in Mathematics, American Mathematical Society, 1993.
.... blowing up of the linkage. This notion was formalized by third author with the idea that perhaps an arc could be straightened via an expansive motion. The new tools that are applied here come from the theory of mechanisms and rigid frameworks. Arcs and cycles can be regarded as frameworks. See [1, 2, 9, 10, 11, 12, 13, 18, 27, 37, 38, 39, 40, 41] for relevant information about this theory. Our approach is to prove that for any configuration there is an infinitesimal motion that increases all distances. Because of the nature of the arc and cycle set, this implies that there is a motion that works at least for a small expansive ....
J. Graver, B. Servatius, and H. Servatius. Combinatorial rigidity. American Mathematical Society, 1993.
....problem for digraphs [22] These problems have been recognized as deep, unsolved combinatorial problems for which it is unknown whether they lie in complexity classes P, NP complete or in between [22, 39] Rigidity and Elasticity. It would be interesting to know electrical analogs of rigidity [17] properties, or if some rigidity properties are equivalent to no common covectors. We mention the basic analogies. Stress (a signed scalar for each bar) in 1 The distinguished edge represents the emitter and collector terminal pair. ORIENTED MATROID PAIRS 7 a multidimensional bar framework is ....
J. Graver, B. Servatius, and H. Servatius, Combinatorial Rigitity, Graduate Studies in Mathematics, 2, American Mathematical Society, Providence, RI, (1993).
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J. Graver and H. Servatius, B. Servatius, Combinatorial Rigidity, vol. 2 of Graduate Studies in Mathematics, American Mathematical Society, 1993.
No context found.
J. Graver, B. Servatius, and H. Servatius. Combinatorial Rigidity. American Mathematical Society, 1993.
No context found.
J. Graver and H. Servatius, B. Servatius, Combinatorial Rigidity, vol. 2 of Graduate Studies in Mathematics, American Mathematical Society, 1993.
No context found.
GRAVER, J., SERVATIUS, B., AND SERVATIUS, H. Combinatorial Rigidity. American Mathematical Society, 1993.
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