On Farkas Lemma and Dimensional Rigidity of Bar Frameworks
classification
🧮 math.MG
math.OC
keywords
lemmadimensionalfarkasframeworksrigiditycharacterizationconnellyconstraint
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We present a new semidefinite Farkas lemma involving a side constraint on the rank. This lemma is then used to present a new proof of a recent characterization, by Connelly and Gortler, of dimensional rigidity of bar frameworks.
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