7 papers · 1 filter
The Maximum Clique Problem in a Disk Graph Made Easy
J. Mark Keil, Debajyoti Mondal
A disk graph is an intersection graph of disks in . Determining the computational complexity of finding a maximum clique in a disk graph is a long-standing open probl…
Finding a Maximum Clique in a Disk Graph
Jared Espenant, J. Mark Keil, Debajyoti Mondal
A disk graph is an intersection graph of disks in the Euclidean plane, where the disks correspond to the vertices of the graph and a pair of vertices are adjacent if and only if th…
Improved and Generalized Algorithms for Burning a Planar Point Set
Prashant Gokhale, J. Mark Keil, Debajyoti Mondal
Given a set of points in the plane, a point burning process is a discrete time process to burn all the points of where fires must be initiated at the given points. Specific…
Bottleneck Convex Subsets: Finding Large Convex Sets in a Point Set
Stephane Durocher, J. Mark Keil, Saeed Mehrabi +1
Chvátal and Klincsek (1980) gave an -time algorithm for the problem of finding a maximum-cardinality convex subset of an arbitrary given set of points in the plane.…
Finding a Maximum Clique in a Grounded 1-Bend String Graph
J. Mark Keil, Debajyoti Mondal, Ehsan Moradi +1
A grounded 1-bend string graph is an intersection graph of a set of polygonal lines, each with one bend, such that the lines lie above a common horizontal line and have exac…
Polygon Simplification by Minimizing Convex Corners
Yeganeh Bahoo, Stephane Durocher, J. Mark Keil +3
Let be a polygon with reflex vertices and possibly with holes and islands. A subsuming polygon of is a polygon such that , each connected compone…