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  • LIN_constrained_frameworks_rigid_26_06_18

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Rigidity of linearly-constrained frameworks

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Forthcoming
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<mark>Journal publication date</mark>4/07/2018
<mark>Journal</mark>International Mathematics Research Notices
Number of pages12
<mark>State</mark>Accepted/In press
<mark>Original language</mark>English

Abstract

We consider the problem of characterising the generic rigidity of bar-joint frameworks in R d in which each vertex is constrained to lie in a given affine subspace. The special case when d = 2 was previously solved by I. Streinu and L. Theran in 2010. We will extend their characterisation to the case when d ≥ 3 and each vertex is constrained to lie in an affine subspace of dimension t, when t = 1, 2 and also when t ≥ 3 and d ≥ t(t−1). We then point out that results on body-bar frameworks obtained by N. Katoh and S. Tanigawa in 2013 can be used to characterise when a graph has a rigid realisation as a d-dimensional body-bar framework with a given set of linear constraints.