Abstract:We characterize the generic rigidity of bar-joint frameworks in all dimensions. The conditions are constructed explicitly from the graph alone, independently of any placement, and are checked by exchange rules on Young tableaux. By following paths in a directed acyclic subgraph of the line graph, we build multisets of red and blue tableaux, called balancing conditions. Then generic rigidity is determined by counting if every semistandard tableau appears the same number of times red as it does blue.
From: Alexander Heaton [view email]
[v1]
Tue, 7 Apr 2026 05:22:52 UTC (18 KB)
[v2]
Mon, 20 Apr 2026 06:25:36 UTC (27 KB)
[v3]
Tue, 1 Sep 2026 18:25:47 UTC (31 KB)
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