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math.CO2021
Improved Bounds for the Oriented Radius of Mixed Multigraphs
Jasine Babu, Deepu Benson, Deepak Rajendraprasad
A mixed multigraph is a multigraph which may contain both undirected and directed edges. An orientation of a mixed multigraph is an assignment of exactly one direction to each…
math.CO2021
On Domatic and Total Domatic Numbers of Product Graphs
P. Francis, Deepak Rajendraprasad
A \emph{domatic} (\emph{total domatic}) \emph{-coloring} of a graph is an assignment of colors to the vertices of such that each vertex contains vertices of all …