All Questions
3 questions
1
vote
0
answers
149
views
Ways of proving that a framework is locally rigid
Given a (bar-and-joint) framework/linkage, I would like to know what are possible ways of showing that the framework is locally rigid. Also, what is known about the computational complexity of ...
- 1,305
0
votes
0
answers
127
views
Frameworks in general position that are locally rigid but not infinitesimally rigid
The classical theorem of Asimow and Roth says that for a generic framework (i.e., coordinates of the nodes are algebraically independent), local rigidity and infinitesimal rigidity are equivalent. I ...
- 1,305
0
votes
0
answers
90
views
Which polytopes can be folded to an edge?
While playing with bar-and-joint linkages, I noticed that the skeleton of a regular 3-dimensional cube can be folded to a single edge (this can be achieved by first flexing the cube to bring it to a ...
- 1,305