Identity Maintenance Tracking: The n-Body, 1-Step Problem,
Alam,Khursheed, K. T. Wallenius · Defense Technical Information Center (DTIC) · 1971
A minimax admissible decision rule is found for unscrambling the components of a random vector when a zero-one loss function is used. A loss is incurred if the estimated ordering of the components differs from the actual ordering. The rule is shown to be best invariant under the permutation group. (Author)