9 citations · 15 across the 23 of their papers we have counts for
Showing 2015 · math.COShow all
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math.CO2015
On oriented cliques with respect to push operation
Julien Bensmail, Soumen Nandi, Sagnik Sen
To push a vertex of a directed graph is to change the orientations of all the arcs incident with . An oriented graph is a directed graph without any cyc…
math.CO2015
Walk-powers and homomorphism bound of planar graphs
Reza Naserasr, Sagnik Sen, Qiang Sun
As an extension of the Four-Color Theorem it is conjectured that every planar graph of odd-girth at least admits a homomorphism to $PC_{2k}=(\mathbb{Z}_2^{2k}, \{e_1, e_2, .…