The rigidity of graphs, II
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Cites background from "The rigidity of graphs, II"
...The definitions below are taken from Asimow and Roth (1979)....
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...Theorem 1 (Asimow and Roth 1979): A framework (G, p) is infinitesimally rigid if and only if (G, p) is rigid and p is a regular point....
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...Definition 4 (Asimow and Roth 1979): A framework (G, p) is infinitesimally rigid in the plane if dimðKerJgG ð pÞÞ 1⁄4 3, or equivalently if rankJgG ð pÞ 1⁄4 2n 3:...
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...Definition 4 (Asimow and Roth 1979): A framework (G, p) is infinitesimally rigid in the plane if dimðKerJgG ð pÞÞ ¼ 3, or equivalently if rankJgG ð pÞ ¼ 2n 3: If a framework is infinitesimally rigid, then it is also rigid....
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References
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