نتایج جستجو برای: oriented
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In a previous work, we gave construction of (not necessarily realizable) oriented matroids from triangulation product two simplices. this follow-up paper, use variant Viro's patchworking to derive topological representation the matroid directly polyhedral structure triangulation, hence finding combinatorial manifestation besides tropical algebraic geometry. We achieve by rephrasing procedure as...
An oriented perfect path double cover (OPPDC) of a graph $G$ is a collection of directed paths in the symmetric orientation $G_s$ of $G$ such that each arc of $G_s$ lies in exactly one of the paths and each vertex of $G$ appears just once as a beginning and just once as an end of a path. Maxov{'a} and Ne{v{s}}et{v{r}}il (Discrete Math. 276 (2004) 287-294) conjectured that ...
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