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Barun Chandra

dblp:27/5919 · DBLP profile ↗
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6ranked-venue papers
6as first author
0since 2021 · last 1999
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Theory of computation · 6 · 6 first-authorDatabases, data management, data science and information retrieval · 2 · 2 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Theoretical computer science
4 papers
Mathematical optimization · 60% Approximation and online algorithms · 26% Graph algorithms and graph theory · 10%

Topics — the 12 heaviest of 12, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Mathematical optimization
combinatorial optimization
0.021999
New Results on the Old k-opt Algorithm for the Traveling Salesman Problem · SIAM J. Comput. 1999
New Results on the Old k-Opt Algorithm for the TSP · SODA 1994
Mathematical optimization › combinatorial optimization › vehicle routing › traveling salesman problem
k-opt heuristic
0.021999
New Results on the Old k-opt Algorithm for the Traveling Salesman Problem · SIAM J. Comput. 1999
New Results on the Old k-Opt Algorithm for the TSP · SODA 1994
Mathematical optimization › combinatorial optimization
local search
0.021999
New Results on the Old k-opt Algorithm for the Traveling Salesman Problem · SIAM J. Comput. 1999
New Results on the Old k-Opt Algorithm for the TSP · SODA 1994
Mathematical optimization › combinatorial optimization › vehicle routing
traveling salesman problem
0.021999
New Results on the Old k-opt Algorithm for the Traveling Salesman Problem · SIAM J. Comput. 1999
New Results on the Old k-Opt Algorithm for the TSP · SODA 1994
Approximation and online algorithms
approximation algorithms
0.011999
Greedy Local Improvement and Weighted Set Packing Approximation · SODA 1999
Mathematical optimization › combinatorial optimization
greedy algorithm
0.011999
Greedy Local Improvement and Weighted Set Packing Approximation · SODA 1999
Approximation and online algorithms
set packing
0.011999
Greedy Local Improvement and Weighted Set Packing Approximation · SODA 1999
Approximation and online algorithms › set packing
weighted set packing
0.011999
Greedy Local Improvement and Weighted Set Packing Approximation · SODA 1999
Algorithms and data structures
heuristic algorithms
0.011994
New Results on the Old k-Opt Algorithm for the TSP · SODA 1994
Graph algorithms and graph theory
graph spanners
0.011992
New Sparseness Results on Graph Spanners · SCG 1992
Graph algorithms and graph theory › graph spanners
sparse spanners
0.011992
New Sparseness Results on Graph Spanners · SCG 1992
Graph algorithms and graph theory › graph spanners
weighted spanners
0.011992
New Sparseness Results on Graph Spanners · SCG 1992

Methods — techniques the papers use, named apart from their topics

worst-case analysis · 0.0probabilistic analysis · 0.0greedy local improvement · 0.0approximation analysis · 0.0local search analysis · 0.0k-opt · 0.0
YearPublicationVenuePosition
1999 Greedy Local Improvement and Weighted Set Packing Approximation
Barun Chandra, Magnús M. Halldórsson
SODA1
1999 New Results on the Old k-opt Algorithm for the Traveling Salesman Problem
abstract
Local search with k-change neighborhoods is perhaps the oldest and most widely used heuristic method for the traveling salesman problem, yet almost no theoretical performance guarantees for it were previously known. This paper develops several results, some worst-case and some probabilistic, on the performance of 2- and k-opt local search for the traveling salesman problem, with respect to both the quality of the solution and the speed with which it is obtained.
Barun Chandra, Howard J. Karloff, Craig A. Tovey
SIAM J. Comput.1
1994 New Results on the Old k-Opt Algorithm for the TSP
Barun Chandra, Howard J. Karloff, Craig A. Tovey
SODA1
1994 Constructing Sparse Spanners for Most Graphs in Higher Dimensions
Barun Chandra
Inf. Process. Lett.1
1992 New Sparseness Results on Graph Spanners
abstract
Let G=(V,E) be an n-vertex connected graph with positive edge weights. A subgraph G′ = (V,E′) is a t-spanner of G if for all u, v ε V,the weighted distance between u and v in G′ is at most t times the weighted distance between u and v in G. We consider the problem of constructing sparse spanners, and the weight, defined as the sum of the edge weights in the spanner. In this paper, we concentrate on constructing spanners of small weight.
Barun Chandra, Gautam Das 0001, Giri Narasimhan, José Soares
SCG1
1992 Does Randomization Help in On-Line Bin Packing?
Barun Chandra
Inf. Process. Lett.1