3 papers
math.CO2026
An improved lower and upper bound of the k-limited domination number
Gordana Radić
We continue the study of -limited domination in graphs, a domination variant in which each vertex of a dominating set may dominate at most vertices outside the set. This con…
math.CO2026
On -limited domination in graphs
Dragana Božović, Gordana Radić, Žana Kovijanić-Vukićević +1
In this work, we introduce and study the notion of -limited domination in graphs, motivated by applications where dominating vertices have bounded capacity and cannot be overloa…
math.FA2025
Maps preserving the idempotency of Jordan products
Tatjana Petek, Gordana Radić
Let B(X) be the algebra of all bounded linear operators on a complex Banach space X of dimension at least three. For an arbitrary nonzero complex number t we determine the form of…