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? | * 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 | * Is there a more clever algorithm for checking whether a scale on more than 2 letters is a billiard scale? | ||
== See also == | == See also == | ||