Hole in Union: Difference between revisions

From Algorithm Wiki
Jump to navigation Jump to search
(Created page with "{{DISPLAYTITLE:Hole in Union (Geometric Covering Problems)}} == Description == Given a set of triangles in the plane, does their union contain a hole? == Related Problems == Related: Strips Cover Box, Triangles Cover Triangle, Triangle Measure, Point Covering, Max-Weight Rectangle, Weighted Depth == Parameters == <pre>n: number of triangles</pre> == Table of Algorithms == Currently no algorithms in our database for the given problem. =...")
 
No edit summary
Line 10: Line 10:
== Parameters ==  
== Parameters ==  


<pre>n: number of triangles</pre>
n: number of triangles


== Table of Algorithms ==  
== Table of Algorithms ==  

Revision as of 12:04, 15 February 2023

Description

Given a set of triangles in the plane, does their union contain a hole?

Related Problems

Related: Strips Cover Box, Triangles Cover Triangle, Triangle Measure, Point Covering, Max-Weight Rectangle, Weighted Depth

Parameters

n: number of triangles

Table of Algorithms

Currently no algorithms in our database for the given problem.

Reductions TO Problem

Problem Implication Year Citation Reduction
Triangles Cover Triangle if: to-time $N^{2-\epsilon}$ for some $\epsilon > {0}$
then: from-time: $N^{2-\epsilon'}$ for some $\epsilon' > {0}$
1995 https://doi.org/10.1016/0925-7721(95)00022-2 link

Reductions FROM Problem

Problem Implication Year Citation Reduction
Triangles Cover Triangle if: to-time $N^{2-\epsilon}$ for some $\epsilon > {0}$
then: from-time: $N^{2-\epsilon'}$ for some $\epsilon' > {0}$
1995 https://doi.org/10.1016/0925-7721(95)00022-2 link