Efficient computation of optimal temporal walks under waiting-time constraints

M Bentert, AS Himmel, A Nichterlein… - Applied Network …, 2020 - Springer
Node connectivity plays a central role in temporal network analysis. We provide a broad
study of various concepts of walks in temporal graphs, that is, graphs with fixed vertex sets …

Multistage vertex cover

T Fluschnik, R Niedermeier, V Rohm… - Theory of Computing …, 2022 - Springer
Abstract The NP-complete Vertex Cover problem asks to cover all edges of a graph by a
small (given) number of vertices. It is among the most prominent graph-algorithmic …

Efficient computation of optimal temporal walks under waiting-time constraints

AS Himmel, M Bentert, A Nichterlein… - … Conference on Complex …, 2019 - Springer
Node connectivity plays a central role in temporal network analysis. We provide a
comprehensive study of various concepts of walks in temporal graphs, that is, graphs with …

Multistage graph problems on a global budget

K Heeger, AS Himmel, F Kammer… - Theoretical Computer …, 2021 - Elsevier
Time-evolving or temporal graphs gain more and more popularity when exploring complex
networks. In this context, the multistage view on computational problems is among the most …

[PDF][PDF] Multistage committee election

R Bredereck, T Fluschnik… - arXiv preprint arXiv …, 2020 - researchgate.net
Electing a single committee of a small size is a classical and well-understood voting
situation. Being interested in a sequence of committees, we introduce and study two time …

A multistage view on 2-satisfiability

T Fluschnik - International Conference on Algorithms and …, 2021 - Springer
We study q-SAT in the multistage model, focusing on the linear-time solvable 2-SAT. Herein,
given a sequence of q-CNF formulas and a non-negative integer d, the question is whether …

Comparing temporal graphs using dynamic time warping

V Froese, B Jain, R Niedermeier, M Renken - Social Network Analysis and …, 2020 - Springer
Within many real-world networks, the links between pairs of nodes change over time. Thus,
there has been a recent boom in studying temporal graphs. Recognizing patterns in …

A Multistage View on 2-Satisfiability

T Fluschnik - arXiv preprint arXiv:2011.02325, 2020 - arxiv.org
We study $ q $-SAT in the multistage model, focusing on the linear-time solvable 2-SAT.
Herein, given a sequence of $ q $-CNF fomulas and a non-negative integer $ d $, the …

Algorithms Aspects of" Multistage" Optimization

A Teiller - 2020 - theses.hal.science
N a classical combinatorial optimization setting, given an instance of a problem one needs
to find a good feasible solution. However, in many situations, the data may evolve over time …

[PDF][PDF] Multistage Committee Elections: Beyond Plurality Voting

B Arınalp - 2021 - fpt.akt.tu-berlin.de
We study the parameterized complexity of multistage committee elections under Veto, Bloc,
Borda, Copeland, Chamberlin-Courant and Monroe rules, where we aim to elect a …