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P-adic Path Set Fractals and Arithmetic by Abram, William; Lagarias, Jeffrey C. is a scholarly article available to read on EtoBox.

What is P-adic Path Set Fractals and Arithmetic about?

This paper considers a class C(Z_p) of closed sets of the p-adic integers obtained by graph-directed constructions analogous to those of Mauldin and Williams over the real numbers. These sets are characterized as collections of those p-adic integers whose p-adic expansions are describeed by paths in the graph of a finite automaton issuing from a distinguished initial vertex. This paper shows that this class of sets is closed under the arithmetic operations of addition and multiplication by p-integral rational numbers. In addition the Minkowski sum (under p-adic addition) of two set in the class is shown to also belong to this class. These results represent purely p-adic phenomena in that analogous closure properties do not hold over the real numbers. We also show the existence of computable formulas for the Hausdorff dimensions of such sets.

Author

Abram, William; Lagarias, Jeffrey C.

Published

2012

Language

EN