Abstract
In this paper we study a generalization of the classical notions of solid codes and commafree codes: involution solid codes (�-solid) and involution join codes (�-join). These notions are motivated by DNA strand design where Watson-Crick complementarity can be formalized as an antimorphic involution. We investigate closure properties of these codes, as well as necessary conditions for �-solid codes to be maximal. We show how the concept of �-join can be utilized such that codes that are not themselves �-comma free can be split into a union of subcodes that are �-comma free.
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