Geodesic
Group of continuous transformations of real interval preserving tails of $G_2$-representation of numbers
Algebra and discrete mathematics, Tome 29 (2020) no. 1, pp. 99-108

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In the paper, we consider a two-symbol system of encoding for real numbers with two bases having different signs ${g_01}$ and $g_1=g_0-1$. Transformations (bijections of the set to itself) of interval $[0,g_0]$ preserving tails of this representation of numbers are studied. We prove constructively that the set of all continuous transformations from this class with respect to composition of functions forms an infinite non-abelian group such that increasing transformations form its proper subgroup. This group is a proper subgroup of the group of transformations preserving frequencies of digits of representations of numbers.
Keywords: two-symbol system of encoding for real numbers with two bases having different signs ($G_2$-representation), tail of representation of number, continuous transformation of interval, left and right shift operators, continuous transformation preserving tails of representations. 
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     author = {M. V. Pratsiovytyi and I. M. Lysenko and Yu. P. Maslova},
     title = {Group of continuous transformations of real interval preserving tails of $G_2$-representation of numbers},
     journal = {Algebra and discrete mathematics},
     pages = {99--108},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2020_29_1_a8/}
}
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M. V. Pratsiovytyi; I. M. Lysenko; Yu. P. Maslova. Group of continuous transformations of real interval preserving tails of $G_2$-representation of numbers. Algebra and discrete mathematics, Tome 29 (2020) no. 1, pp. 99-108. http://geodesic.mathdoc.fr/item/ADM_2020_29_1_a8/