Riffs and Rotes : 2

Re: Peter Cameron

The interaction between addition and multiplication in the natural numbers has long been an interest of mine, leading to broader questions about the relationship between algebra and combinatorics.  My gropings with these enigmas led me to the structures of Riffs and Rotes, extracting what we might think of as the “purely combinatorial” properties of primes factorizations.  Thinking of the additive structure of the positive integers as embodied in their linear ordering, the first couple of questions that arise here are these —

  • How much of the natural ordering of the natural numbers is purely combinatorial?
  • What extra axioms on the Riff and Rote partial orders would restore their natural order?

Reference

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