Preprint
Sep 2026
Hyperbolic distance matrix completion
A completion theory for hyperbolic distance data is developed at the interface of matrix analysis, graph theory, and hyperbolic geometry. Krein's characterization of the metric space embeddability in Lobachevsky space leads to a natural anchoring procedure that transforms the indefinite data into a positive semidefinit...
M. Putinar, P. K. Vishwakarma
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