An isomorphism theorem between the 7-adic integers and a ring associated with a hexagonal lattice |
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Authors: | Wei Z. Kitto David C. Wilson |
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Affiliation: | (1) Department of Mathematics, The University of Florida, 32611 Gainesville, Florida, USA |
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Abstract: | The primary goal of this paper is to prove that a ring defined by L. Gibson and D. Lucas is isomorphic to the ring of 7-adic integers. The ring, denoted byR2, arises naturally as an algebraic structure associated with a hexagonal lattice. The elements ofR2 consist of all infinite sequences in /(7). The addition and multiplication operations are given in terms of remainder and carries tables. The Generalized Balanced Ternary, denoted byG, is the subring ofR2 consisting of all the finite sequences ofR2. IfIk is the ideal ofG consisting of all those sequences whose firstk digits are zero, then the second goal of the paper is to show that the inverse limit ofG/Ik is also isomorphic to the 7-adic integers. |
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Keywords: | p-adic integers Hexagonal tilings Isomorphism |
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