activity
20222026
most citedBeing an Influencer is Hard: The Complexity of Influence Maximization in Temporal Graphs with a Fixed Source

1 citations · 1 across the 7 of their papers we have counts for

collaborators

8 papers

cs.GT2026

Stability in Distance Preservation Games on Graphs

Argyrios Deligkas, Eduard Eiben, Tiger-Lily Goldsmith +2

We introduce a new class of network allocation games called graphical distance preservation games. Here, we are given a graph, called a topology, and a set of agents that need to b…

cs.GT2025

Dividing Indivisible Items for the Benefit of All: It is Hard to Be Fair Without Social Awareness

Argyris Deligkas, Eduard Eiben, Tiger-Lily Goldsmith +2

In standard fair division models, we assume that all agents are selfish. However, in many scenarios, division of resources has a direct impact on the whole group or even society. T…

cs.DS2025

Parameterized Complexity of Temporal Connected Components

Argyrios Deligkas, Michelle Döring, Eduard Eiben +3

We study the parameterized complexity of maximum temporal connected components (tccs) in temporal graphs, that is, graphs whose edges are available only at specific points in time.…

cs.GT2025

The Complexity of Extending Fair Allocations of Indivisible Goods

Argyrios Deligkas, Eduard Eiben, Robert Ganian +2

We initiate the study of computing envy-free allocations of indivisible items in the extension setting, i.e., when some part of the allocation is fixed and the task is to allocate…

cs.GT2024

EF1 and EFX Orientations

Argyrios Deligkas, Eduard Eiben, Tiger-Lily Goldsmith +1

We study the problem of finding fair allocations -- EF1 and EFX -- of indivisible goods with orientations. In an orientation, every agent gets items from their own predetermined se…

cs.SI2024

How Many Lines to Paint the City: Exact Edge-Cover in Temporal Graphs

Argyrios Deligkas, Michelle Döring, Eduard Eiben +3

Logistics and transportation networks require a large amount of resources to realize necessary connections between locations and minimizing these resources is a vital aspect of pla…

cs.CC2023★ 1 cited

Being an Influencer is Hard: The Complexity of Influence Maximization in Temporal Graphs with a Fixed Source

Argyrios Deligkas, Michelle Döring, Eduard Eiben +2

We consider the influence maximization problem over a temporal graph, where there is a single fixed source. We deviate from the standard model of influence maximization, where the…

cs.DS2022

The Parameterized Complexity of Welfare Guarantees in Schelling Segregation

Argyrios Deligkas, Eduard Eiben, Tiger-Lily Goldsmith

Schelling's model considers types of agents each of whom needs to select a vertex on an undirected graph, where every agent prefers to neighbor agents of the same type. We are…