9 citations · 15 across the 23 of their papers we have counts for
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cs.DM2015
On chromatic number of colored mixed graphs
Sandip Das, Soumen Nandi, Sagnik Sen
An -colored mixed graph is a graph with its arcs having one of the different colors and edges having one of the different colors. A homomorphism of an $(m,n)…
cs.DM2015
On homomorphism of oriented graphs with respect to push operation
Sagnik Sen
An oriented graph is a directed graph without any cycle of length at most 2. To push a vertex of a directed graph is to reverse the orientation of the arcs incident to that vertex.…