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Figure 8
(a) A chain graph with vertex connectivity 2V13V4, (b) the corresponding wrapped graph and (c) the corresponding adjacency matrix. Curved black lines in (b) represent wrapped edges in (a); green and red arrows in (b) and matrix-element superscripts in (c) indicate the number and direction of wrapped edges. Note that it is not necessary to indicate the direction of the wrapped edges linking vertices 2 and 3. Dashed black lines show the repeat units of each chain graph.

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ISSN: 2053-2733
Volume 78| Part 3| May 2022| Pages 212-233
https://doi.org/10.1107/S2053273322001747
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