On the Reverse-Complement String-Duplication System

Eyar Ben-Tolila, Moshe Schwartz

Research output: Working paper/PreprintPreprint

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Abstract

Motivated by DNA storage in living organisms, and by known biological mutation processes, we study the reverse-complement string-duplication system. We fully classify the conditions under which the system has full expressiveness, for all alphabets and all fixed duplication lengths. We then focus on binary systems with duplication length $2$ and prove that they have full capacity, yet surprisingly, have zero entropy-rate. Finally, by using binary single burst-insertion correcting codes, we construct codes that correct a single reverse-complement duplication of odd length, over any alphabet. The redundancy (in bits) of the constructed code does not depend on the alphabet size.
Original languageEnglish
StatePublished - 22 Dec 2021

Keywords

  • cs.IT
  • math.IT

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