2 citations · 2 across the 3 of their papers we have counts for
3 papers
math.CO2024
Upper bounds on the -isolation number
Peter Borg, Magdalena Lemańska, Mercè Mora +1
The isolation number of a graph (also called the vertex-edge domination number of ), denoted by , is the size of a smallest subset of the vertex set of …
math.CO2019
On the connected and weakly convex domination numbers
Magda Dettlaff, Magdalena Lemańska, Dorota Osula +1
In this paper we study relations between connected and weakly convex domination numbers. We show that in general the difference between these numbers can be arbitrarily large and w…
math.MG2016★ 2 cited
Classification of the relative positions between a hyperboloid and a sphere
M. Brozos-Vázquez, M. J. Pereira-Sáez, M. J. Souto-Salorio +1
We characterize all possible relative positions between a hyperboloid of one sheet and a sphere through the roots of a characteristic polynomial associated to these quadrics. The c…