Congruence Testing of Point Sets in 4 Dimensions
classification
💻 cs.CG
keywords
congruencesetsanglescheckedcoxeterdimensiondimensionaldimensions
read the original abstract
Congruence between two n-point sets in 4 dimension can be checked in O(n log n) time. On the way to establishing this result, we revisit several parts of 4-dimensional geometry, such as angles and distances between planes, Hopf fibrations, and Coxeter groups.
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