2 problems
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Mow's conjecture on the length of perfect periodic autocorrelation sequences
Mow's conjecture. No perfect periodic autocorrelation sequence over an -phase alphabet can have length
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The length-64 bound for perfect simple-unit-quaternion sequences with the AOP
Length-64 conjecture. The longest perfect sequence over the simple unit quaternions with the AOP is of length . This conjecture is motivated by an exhaustive random search that…