What is mean by rational direction. This technical term is used to Define the definition of transitivity in multidimensional symbolic dynamics.
2026-05-04 13:42:00.1777902120
Rational Direction
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To me, rational direction would mean a vector whose coordinates (with respect to some canonical basis) are rational numbers. Or, since scalar multiples of a vector describe the same direction, any direction for which such a rational vector can be found. And since you can always multiply by the common denominator, this in turn means a direction which can be described by a vector with integer-only coordinates.
I don't know anything about the application of this term you're describing. If you need more detail on that, like a more specialized answer, then you should include a reference to that definition.