Sandip Das

activity

20082024

most citedQuerying for the Largest Empty Geometric Object in a Desired Location

11 citations · 20 across the 29 of their papers we have counts for

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Showing 2016 · math.COShow all

2 papers · 2 filters

math.CO2016★ 1 cited

Oriented Bipartite Graphs and the Goldbach Graph

Sandip Das, Prantar Ghosh, Shamik Ghosh +1

In this paper, we study oriented bipartite graphs. In particular, we introduce "bitransitive" graphs. Several characterizations of bitransitive bitournaments are obtained. We show…

math.CO2016★ 3 cited

Chromatic number of signed graphs with bounded maximum degree

Sandip Das, Soumen Nandi, Soumyajit Paul +1

A signed graph $(G, Σ)$ is a graph positive and negative ( $Σ$ denotes the set of negative edges). To re-sign a vertex $v$ of a signed graph $(G, Σ)$ is to switch the signs of the…