Abundancy of $z$-\v Solt\'es' digraphs https://arxiv.org/abs/2501.00102 #mathCO
We prove the existence of infinitely many \v Soltés' digraphs, the digraph analogue of \v Soltés' graphs. We also give an example of a \v Soltés' digraph with trivial automorphism group.
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