Abstract
We develop a rigidity theory for bar-joint frameworks in Euclidean d-space in which specified classes of edges are allowed to change length in a coordinated fashion that requires differences of lengths to be preserved within each class. Rigidity for these coordinated frameworks is a generic property, and we characterize the rigid graphs in terms of redundant rigidity in the standard d-dimensional rigidity matroid. We also interpret our main results in terms of matroid unions.
Original language | English |
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Pages (from-to) | 2602-2618 |
Number of pages | 17 |
Journal | SIAM Journal on Discrete Mathematics |
Volume | 36 |
Issue number | 4 |
DOIs | |
Publication status | Published - 9 Nov 2022 |
Keywords
- Coordinated constraint relaxation
- Bar-joint frameworks
- Rigidity
- Infinitesimal rigidity
- Rigidity matroid