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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)

The design of slowly shrinking labelled squares


Author: Elwyn R. Berlekamp
Journal: Math. Comp. 29 (1975), 25-27
MSC: Primary 05B30; Secondary 10A35
MathSciNet review: 0373933
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Abstract: This paper considers the nonlinear operator T, which acts on 4-dimensional vectors with nonnegative real components. T transforms such a vector into a new vector whose components are the magnitudes of the differences of cyclically adjacent pairs of components of the previous vector. We show that T is not nilpotent.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0025-5718-1975-0373933-6
PII: S 0025-5718(1975)0373933-6
Article copyright: © Copyright 1975 American Mathematical Society