3 papers
math.CO2022
On the Nullity of Altans and Iterated Altans
Nino Bašić, Patrick W. Fowler
Altanisation (formation of the altan of a parent structure) originated in the chemical literature as a formal device for constructing generalised coronenes from smaller structures.…
math.CO2020
On singular signed graphs with nullspace spanned by a full vector: Signed nut graphs
Nino Bašić, Patrick W. Fowler, Tomaž Pisanski +1
A signed graph has edge weights drawn from the set , and is termed sign-balanced if it is equivalent to an unsigned graph under the operation of sign switching; otherwis…
math.CO2019
Point-ellipse and some other exotic configurations
Gábor Gévay, Nino Bašić, Jurij Kovič +1
In this paper we introduce point-ellipse configurations and point-conic configurations. We study some of their basic properties and describe two interesting families of balanced po…