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5 votes
0 answers
366 views

A Collatz-like map?

Consider the map $\psi$ acting on triples $(a\leq b\leq c)$ of three positive natural integers with $\mathrm{gcd}(a,b,c)=1$ as follows: Set $$(a',b',c')=\left(\frac{a}{\mathrm{gcd}(a,bc)},\frac{b}{\...
1 vote
1 answer
375 views

Inverse map of chaotic map : confusion and request for information

This is based from the paper titled, "Chaos-Based Simultaneous Compression and Encryption for Hadoop" in Section 2.3.1 download link The Authors say that given a symbolic sequence, it can be encoded ...