核心概念
The author explores the parameterized complexity of motion planning for rectangular robots, focusing on axis-aligned translations and different motion modes, providing fixed-parameter tractable algorithms.
要約
The content delves into the intricacies of motion planning for rectangular robots, analyzing the interplay between the number of robots and geometric complexity. It introduces structural results, LP constraints, and FPT algorithms to optimize translation moves efficiently.
The study investigates fundamental geometric motion planning problems, emphasizing axis-aligned translations in free plane or bounding box settings. It addresses NP-completeness and exact algorithms in a detailed exploration of computational challenges.
Key points include:
- Investigating computationally-hard motion planning problems with k axis-aligned rectangular robots.
- Analyzing translations along grid lines based on input instances.
- Employing LP constraints to ensure collision-free translations.
- Providing FPT algorithms for efficient optimization of translation moves.
The research contributes to understanding the parameterized complexity of motion planning problems, offering insights into algorithmic approaches for optimal solutions.
統計
We obtain fixed-parameter tractable (FPT) algorithms parameterized by k for all settings under consideration.
The upper bound on the number of horizontal/vertical lines in the grid is O˚pk3 ¨ 25k`1q.
The running time of the algorithm is O˚pk16k ¨ 220k2`8kq.
引用
"We study computationally-hard fundamental motion planning problems where the goal is to translate k axis-aligned rectangular robots from their initial positions to their final positions without collision."
"Our aim is to understand the interplay between the number of robots and the geometric complexity of the input instance."