Connected sums of z-knotted triangulations

Add time:08/23/2019    Source:sciencedirect.com

An embedded graph is called z-knotted if it contains a unique zigzag (up to reversing). We consider z-knotted triangulations, i.e. z-knotted embedded graphs whose faces are triangles, and describe all cases when the connected sum of two z-knotted triangulations is z-knotted.

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