Hypercubic billiard word: Difference between revisions
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== Open questions == | == Open questions == | ||
* | * Does the generating function for ternary deletion-MOS necklaces admit an elegant expression? What about billiard scales over a given number of letters? | ||
* Is there a cleverer algorithm for checking whether a scale on more than 2 letters is a billiard scale? | * Is there a cleverer algorithm for checking whether a scale on more than 2 letters is a billiard scale? | ||