On affine motions and universal rigidity of tensegrity frameworks

A. Y. Alfakih, Viet-Hang Nguyen

Recently, Alfakih and Ye [Lin. Algebra Appl. 438:31--36, 2013] proved that if an $r$-dimensional bar framework $(G,p)$ on $n\ge r+2$ nodes in general position in ${\mathbb{R}}^r$ admits a…