Competitive capacitated online recoloring

R Rajaraman, O Wasim - arxiv preprint arxiv:2408.05370, 2024 - arxiv.org
In this paper, we revisit the online recoloring problem introduced recently by Azar et al. In
online recoloring, there is a fixed set $ V $ of $ n $ vertices and an initial coloring $ c_0 …

An Improved Approximation Algorithm for Dynamic Minimum Linear Arrangement

M Bienkowski, G Even - 41st International Symposium on …, 2024 - drops.dagstuhl.de
The dynamic offline linear arrangement problem deals with reordering n elements subject to
a sequence of edge requests. The input consists of a sequence of m edges (ie, unordered …

Improved analysis of online balanced clustering

M Bienkowski, M Böhm, M Koutecký, T Rothvoß… - … on Approximation and …, 2021 - Springer
In the online balanced graph repartitioning problem, one has to maintain a clustering of n
nodes into ℓ ℓ clusters, each having k= n/ℓ k= n/ℓ nodes. During runtime, an online algorithm …

Approximate dynamic balanced graph partitioning

H Räcke, S Schmid, R Zabrodin - … of the 34th ACM Symposium on …, 2022 - dl.acm.org
Networked systems are increasingly flexible and reconfigurable. This enables demand-
aware infrastructures whose resources can be adjusted according to the traffic pattern they …

Learning Minimum Linear Arrangement of Cliques and Lines

J Dallot, M Pacut, M Bienkowski, D Melnyk… - arxiv preprint arxiv …, 2024 - arxiv.org
In the well-known Minimum Linear Arrangement problem (MinLA), the goal is to arrange the
nodes of an undirected graph into a permutation so that the total stretch of the edges is …

[PDF][PDF] Improved bounds for online balanced graph re-partitioning

R Rajaraman - 30th Annual European Symposium on Algorithms (ESA …, 2022 - par.nsf.gov
We study the online balanced graph re-partitioning problem (OBGR) which was introduced
by Avin, Bienkowski, Loukas, Pacut, and Schmid [2] and has recently received significant …

Model-based Performance Characterization of Software Correlators for Radio Interferometer Arrays

AJ Vázquez, P Elosegui, CJ Lonsdale… - Publications of the …, 2022 - iopscience.iop.org
Correlation for radio interferometer array applications, including Very Long Baseline
Interferometry (VLBI), is a multidisciplinary field that traditionally involves astronomy …

Tight Bounds for Online Balanced Partitioning in the Generalized Learning Model

H Räcke, S Schmid, R Zabrodin - arxiv preprint arxiv:2410.17777, 2024 - arxiv.org
Resource allocation in distributed and networked systems such as the Cloud is becoming
increasingly flexible, allowing these systems to dynamically adjust toward the workloads …

Polylog-Competitive Algorithms for Dynamic Balanced Graph Partitioning for Ring Demands

H Räcke, S Schmid, R Zabrodin - … of the 35th ACM Symposium on …, 2023 - dl.acm.org
The performance of many large-scale and data-intensive distributed systems critically
depends on the capacity of the interconnecting network. This paper is motivated by the …

A Subquadratic Bound for Online Bisection

M Bienkowski, S Schmid - arxiv preprint arxiv:2305.01420, 2023 - arxiv.org
The online bisection problem is a natural dynamic variant of the classic optimization
problem, where one has to dynamically maintain a partition of $ n $ elements into two …