10 papers
Minimum Sum Vertex Cover via Minimum Vertex Cover
Ahmad Biniaz, Jean-Lou De Carufel, Anil Maheshwari +2
The Minimum Sum Vertex Cover (MSVC) problem asks for an ordering of the vertices of a graph that minimizes the sum, over all edges, of the time at which each edge is first covered.…
Completely Independent Steiner Trees
Anil Maheshwari, Karthik Murali, Michiel Smid
Spanning trees are fundamental for efficient communication in networks. For fault-tolerant communication, it is desirable to have multiple spanning trees to ensure resilience again…
Linear-Time -Approximation Algorithms for Two-Line-Center Problems
Chaeyoon Chung, Anil Maheshwari, Michiel Smid
Given a set of points in the plane, we study the two-line-center problem: finding two lines that minimize the maximum distance from each point in to its closest line. W…
Polychromatic Coloring of Tuples in Hypergraphs
Ahmad Biniaz, Jean-Lou De Carufel, Anil Maheshwari +3
A hypergraph consists of a set of vertices and a set of hyperedges that are subsets of . A -tuple of is a subset of vertices of . A -tuple -color…
Closest Pair Queries in Vertical Slabs and Tight Bounds on the Number of Possible Answers
Ahmad Biniaz, Prosenjit Bose, Chaeyoon Chung +6
Let be a set of points in , where is a constant, and let be a sequence of vertical hyperplanes that are sorted by their fi…
Computing Oriented Spanners and their Dilation
Kevin Buchin, Antonia Kalb, Anil Maheshwari +4
Given a point set in a metric space and a real number , an \emph{oriented -spanner} is an oriented graph , where for eve…
Contiguous Boundary Guarding
Ahmad Biniaz, Anil Maheshwari, Joseph S. B. Mitchell +3
We study the problem of guarding the boundary of a simple polygon with a minimum number of guards such that each guard covers a contiguous portion of the boundary. First, we presen…
Euclidean Maximum Matchings in the Plane---Local to Global
Ahmad Biniaz, Anil Maheshwari, Michiel Smid
Let be a perfect matching on a set of points in the plane where every edge is a line segment between two points. We say that is globally maximum if it is a maximum-length m…
Metric and Geometric Spanners that are Resilient to Degree-Bounded Edge Faults
Ahmad Biniaz, Jean-Lou De Carufel, Anil Maheshwari +1
Let be an edge-weighted graph, and let be a subgraph of . We say that is an -fault-tolerant -spanner for , if the following is true for any subset of at…
New Complexity and Algorithmic Bounds for Minimum Consistent Subsets
Aritra Banik, Sayani Das, Anil Maheshwari +6
In the Minimum Consistent Subset (MCS) problem, we are presented with a connected simple undirected graph , consisting of a vertex set of size and an edge set .…