Abstract
The most important problem in the theory of phenomenologically symmetric geometries of two sets is that of classification of these geometries. In this paper, complexifying the metric functions of some known phenomenologically symmetric geometries of two sets (PSGTS) with the use of associative hypercomplex numbers, we find metric functions of new geometries in question. For these geometries, we find equations of the groups of motions and establish phenomenological symmetry, i.e., find functional relations between metric functions for certain finite number of arbitrary points. In particular, for one-component metric functions of PSGTS’s of ranks (2, 2), (3, 2), (3, 3), we find (n + 1)-component metric functions of the same ranks. For these metric functions, we find finite equations of the groups of motions and equations that express their phenomenological symmetry.
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Original Russian Text © G.G. Mikhailichenko, V.A. Kyrov, 2017, published in Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2017, No. 7, pp. 19–29.
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Mikhailichenko, G.G., Kyrov, V.A. Hypercomplex numbers in some geometries of two sets. I. Russ Math. 61, 15–24 (2017). https://doi.org/10.3103/S1066369X17070039
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DOI: https://doi.org/10.3103/S1066369X17070039