activity
20132026
most citedTree Coloring: Random Order and Predictions

1 citations · 1 across the 6 of their papers we have counts for

collaborators

8 papers

cs.DS2026

Pack, Remove, Reserve -- Online Knapsack with Second Thoughts

Hans-Joachim Böckenhauer, Dennis Komm, Emanuel Skodinis +2

We study the online proportional knapsack problem with two paid forms of recourse. Items arrive one by one and must be handled immediately, without knowledge of the future: an algo…

cs.DS2025

Forbidden Subgraph Problems with Predictions

Hans-Joachim Böckenhauer, Melvin Jahn, Dennis Komm +1

In the Online Delayed Connected H-Node-Deletion Problem, an unweighted graph is revealed vertex by vertex and it must remain free of any induced copies of a specific connected indu…

cs.DS2024

Online Unbounded Knapsack

Hans-Joachim Böckenhauer, Matthias Gehnen, Juraj Hromkovič +6

We analyze the competitive ratio and the advice complexity of the online unbounded knapsack problem. An instance is given as a sequence of n items with a size and a value each, and…

cs.DS2024★ 1 cited

Tree Coloring: Random Order and Predictions

Fabian Frei, Matthias Gehnen, Dennis Komm +4

Coloring is a notoriously hard problem, and even more so in the online setting, where each arriving vertex has to be colored immediately and irrevocably. Already on trees, which ar…

cs.CC2019

Finding Optimal Solutions With Neighborly Help

Elisabet Burjons, Fabian Frei, Edith Hemaspaandra +2

Can we efficiently compute optimal solutions to instances of a hard problem from optimal solutions to neighboring (i.e., locally modified) instances? For example, can we efficientl…

cs.DS2017

Advice Complexity of the Online Search Problem

Jhoirene Clemente, Juraj Hromkovic, Dennis Komm +1

The online search problem is a fundamental problem in finance. The numerous direct applications include searching for optimal prices for commodity trading and trading foreign curre…