Approximating maximum independent set for rectangles in the plane

J Mitchell - SIAM Journal on Computing, 2024 - SIAM
We give a polynomial-time constant-factor approximation algorithm for the maximum
independent set of (axis-aligned) rectangles problem in the plane. Using a polynomial-time …

Coloring and maximum weight independent set of rectangles

P Chalermsook, B Walczak - Proceedings of the 2021 ACM-SIAM symposium …, 2021 - SIAM
In 1960, Asplund and Grünbaum proved that every intersection graph of axis-parallel
rectangles in the plane admits an O (ω 2)-coloring, where ω is the maximum size of a clique …

Improved approximation algorithms for 2-dimensional knapsack: Packing into multiple l-shapes, spirals, and more

W Gálvez, F Grandoni, A Khan… - arxiv preprint arxiv …, 2021 - arxiv.org
In the\textsc {2-Dimensional Knapsack} problem (2DK) we are given a square knapsack and
a collection of $ n $ rectangular items with integer sizes and profits. Our goal is to find the …

Dynamic independent set of disks (and hypercubes) made easier

S Bhore, TM Chan - 2025 Symposium on Simplicity in Algorithms (SOSA), 2025 - SIAM
Maintaining an approximate maximum independent set of a dynamic collection of objects
has been studied extensively in the past few years. Recently, Bhore, Nöllenburg, Tóth, and …

Fast static and dynamic approximation algorithms for geometric optimization problems: Piercing, independent set, vertex cover, and matching

S Bhore, TM Chan - Proceedings of the 2025 Annual ACM-SIAM …, 2025 - SIAM
We develop simple and general techniques to obtain faster (near-linear time) static
approximation algorithms, as well as efficient dynamic data structures, for four fundamental …

Dynamic approximate maximum independent set of intervals, hypercubes and hyperrectangles

M Henzinger, S Neumann, A Wiese - arxiv preprint arxiv:2003.02605, 2020 - arxiv.org
Independent set is a fundamental problem in combinatorial optimization. While in general
graphs the problem is essentially inapproximable, for many important graph classes there …

A (2+\epsilon)-Approximation Algorithm for Maximum Independent Set of Rectangles

W Gálvez, A Khan, M Mari, T Mömke, M Reddy… - arxiv preprint arxiv …, 2021 - arxiv.org
We study the Maximum Independent Set of Rectangles (MISR) problem, where we are given
a set of axis-parallel rectangles in the plane and the goal is to select a subset of non …

A PTAS for packing hypercubes into a knapsack

K Jansen, A Khan, M Lira, KVN Sreenivas - arxiv preprint arxiv …, 2022 - arxiv.org
We study the d-dimensional hypercube knapsack problem where we are given a set of d-
dimensional hypercubes with associated profits, and a knapsack which is a unit d …

More dynamic data structures for geometric set cover with sublinear update time

TM Chan, Q He - arxiv preprint arxiv:2103.07857, 2021 - arxiv.org
We study geometric set cover problems in dynamic settings, allowing insertions and
deletions of points and objects. We present the first dynamic data structure that can maintain …

A polynomial-time OPTɛ-approximation algorithm for maximum independent set of connected subgraphs in a planar graph

J Cslovjecsek, M Pilipczuk, K Węgrzycki - … of the 2024 Annual ACM-SIAM …, 2024 - SIAM
Abstract In the Maximum Independent Set of Objects problem, we are given an n-vertex
planar graph G and a family D of N objects, where each object is a connected subgraph of …