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Article . 2003
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Circular Binary Strings Without Zigzags

Circular binary strings without zigzags
Authors: MUNARINI, EMANUELE; N. Zagaglia Salvi;

Circular Binary Strings Without Zigzags

Abstract

We study several enumerative properties of the set of all circular binary strings without zigzags and of the set of all (0, 1)-necklaces without zigzags, where a zigzag is a 1 followed and preceded by a 0 or a 0 followed and preceded by a 1.

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Italy
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Keywords

Permutations, words, matrices, Riordan matrices; Formal series; enumeration

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