activity
20152026
most citedNegative modes of Coleman-de Luccia and black hole bubbles

19 citations · 26 across the 16 of their papers we have counts for

collaborators

25 papers

cs.RO2026

Pass the Bucket: Efficient, Robust, Local Load Balancing for Teams of Heterogeneous Robots

Tobias Wallner, Dominik Krupke, Arne Schmidt +1

We study the problem of decentralized, self-organized task sharing for a swarm of heterogeneous robots that collaborate in transportation or other objectives that require coordinat…

cs.DS2025

Efficient Heuristics and Exact Methods for Pairwise Interaction Sampling

Sándor P. Fekete, Phillip Keldenich, Dominik Krupke +1

We consider a class of optimization problems that are fundamental to testing in modern configurable software systems, e.g., in automotive industries. In pairwise interaction sampli…

cs.SE2025

AlgoTune: Can Language Models Speed Up General-Purpose Numerical Programs?

Ori Press, Brandon Amos, Haoyu Zhao +21

Despite progress in language model (LM) capabilities, evaluations have thus far focused on models' performance on tasks that humans have previously solved, including in programming…

cs.CG2025

Guarding Offices with Maximum Dispersion

Sándor P. Fekete, Kai Kobbe, Dominik Krupke +3

We investigate the Dispersive Art Gallery Problem with vertex guards and rectangular visibility (-visibility) for a class of orthogonal polygons that reflect the properties of r…

cs.CG2025

Minimum Non-Obtuse Triangulations: The CG:SHOP Challenge 2025

Sándor P. Fekete, Phillip Keldenich, Dominik Krupke +1

We give an overview of the 2025 Computational Geometry Challenge targeting the problem Minimum Non-Obtuse Triangulation: Given a planar straight-line graph G in the plane, defined…

cs.SE2025

How Low Can We Go? Minimizing Interaction Samples for Configurable Systems

Dominik Krupke, Ahmad Moradi, Michael Perk +5

Modern software systems are typically configurable, a fundamental prerequisite for wide applicability and reusability. This flexibility poses an extraordinary challenge for quality…

cs.CG2024

Targeted Drug Delivery: Algorithmic Methods for Collecting a Swarm of Particles with Uniform External Forces

Aaron T. Becker, Sándor P. Fekete, Li Huang +5

We investigate algorithmic approaches for targeted drug delivery in a complex, maze-like environment, such as a vascular system. The basic scenario is given by a large swarm of mic…

cs.CG2024

Maximum Polygon Packing: The CG:SHOP Challenge 2024

Sándor P. Fekete, Phillip Keldenich, Dominik Krupke +1

We give an overview of the 2024 Computational Geometry Challenge targeting the problem \textsc{Maximum Polygon Packing}: Given a convex region in the plane, and a collection of…

cs.RO2023★ 1 cited

Near-Optimal Coverage Path Planning with Turn Costs

Dominik Michael Krupke

Coverage path planning is a fundamental challenge in robotics, with diverse applications in aerial surveillance, manufacturing, cleaning, inspection, agriculture, and more. The mai…

cs.CG2023

The Lawn Mowing Problem: From Algebra to Algorithms

Sándor P. Fekete, Dominik Krupke, Michael Perk +2

For a given polygonal region , the Lawn Mowing Problem (LMP) asks for a shortest tour that gets within Euclidean distance 1/2 of every point in ; this is equivalent to co…

cs.CG2023

Minimum Coverage by Convex Polygons: The CG:SHOP Challenge 2023

Sándor P. Fekete, Phillip Keldenich, Dominik Krupke +1

We give an overview of the 2023 Computational Geometry Challenge targeting the problem Minimum Coverage by Convex Polygons, which consists of covering a given polygonal region (pos…

cs.CG2022

A Closer Cut: Computing Near-Optimal Lawn Mowing Tours

Sándor P. Fekete, Dominik Krupke, Michael Perk +2

For a given polygonal region , the Lawn Mowing Problem (LMP) asks for a shortest tour that gets within Euclidean distance 1 of every point in ; this is equivalent to comp…

cs.CG2022

Minimum Partition into Plane Subgraphs: The CG:SHOP Challenge 2022

Sándor P. Fekete, Phillip Keldenich, Dominik Krupke +1

We give an overview of the 2022 Computational Geometry Challenge targeting the problem Minimum Partition into Plane Subsets, which consists of partitioning a given set of line segm…

cs.CG2021

Area-Optimal Simple Polygonalizations: The CG Challenge 2019

Erik D. Demaine, Sándor P. Fekete, Phillip Keldenich +2

We give an overview of theoretical and practical aspects of finding a simple polygon of minimum (Min-Area) or maximum (Max-Area) possible area for a given set of n points in the pl…

cs.CG2021★ 1 cited

Computing Coordinated Motion Plans for Robot Swarms: The CG:SHOP Challenge 2021

Sándor P. Fekete, Phillip Keldenich, Dominik Krupke +1

We give an overview of the 2021 Computational Geometry Challenge, which targeted the problem of optimally coordinating a set of robots by computing a family of collision-free traje…

cs.CG2021

Minimum Scan Cover and Variants -- Theory and Experiments

Kevin Buchin, Sándor P. Fekete, Alexander Hill +5

We consider a spectrum of geometric optimization problems motivated by contexts such as satellite communication and astrophysics. In the problem Minimum Scan Cover with Angular Cos…

cs.CG2020★ 3 cited

Computing Convex Partitions for Point Sets in the Plane: The CG:SHOP Challenge 2020

Erik D. Demaine, Sándor P. Fekete, Phillip Keldenich +2

We give an overview of the 2020 Computational Geometry Challenge, which targeted the problem of partitioning the convex hull of a given planar point set P into the smallest number…

cs.CG2020

Probing a Set of Trajectories to Maximize Captured Information

Sándor P. Fekete, Alexander Hill, Dominik Krupke +4

We study a trajectory analysis problem we call the Trajectory Capture Problem (TCP), in which, for a given input set of trajectories in the plane, and an integer $k\geq…

cs.CG2020

Minimum Scan Cover with Angular Transition Costs

Sándor P. Fekete, Linda Kleist, Dominik Krupke

We provide a comprehensive study of a natural geometric optimization problem motivated by questions in the context of satellite communication and astrophysics. In the problem Minim…

hep-th2018★ 19 cited

Negative modes of Coleman-de Luccia and black hole bubbles

Ruth Gregory, Katie M. Marshall, Florent Michel +1

We study the negative modes of gravitational instantons representing vacuum decay in asymptotically flat space-time. We consider two different vacuum decay scenarios: the Coleman-d…

cs.DS2017

Tilt Assembly: Algorithms for Micro-Factories That Build Objects with Uniform External Forces

Aaron T. Becker, Sándor P. Fekete, Phillip Keldenich +4

We present algorithmic results for the parallel assembly of many micro-scale objects in two and three dimensions from tiny particles, which has been proposed in the context of prog…

cs.RO2017

Collecting a Swarm in a Grid Environment Using Shared, Global Inputs

Arun V. Mahadev, Dominik Krupke, Jan-Marc Reinhardt +2

This paper investigates efficient techniques to collect and concentrate an under-actuated particle swarm despite obstacles. Concentrating a swarm of particles is of critical import…

cs.CG2016

Computing Nonsimple Polygons of Minimum Perimeter

Sándor P. Fekete, Andreas Haas, Michael Hemmer +8

We provide exact and approximation methods for solving a geometric relaxation of the Traveling Salesman Problem (TSP) that occurs in curve reconstruction: for a given set of vertic…

cs.RO2015

A Parallel Distributed Strategy for Arraying a Scattered Robot Swarm

Dominik Krupke, Michael Hemmer, James McLurkin +2

We consider the problem of organizing a scattered group of robots in two-dimensional space, with geometric maximum distance between robots. The communication graph of the s…