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Venkatesh Natarajan

dblp:19/2739 · DBLP profile ↗
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2ranked-venue papers
0as first author
0since 2021 · last 2009
—ORCID · unresolved

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

Theory of computation · 2

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
2 papers
Mathematical optimization · 53% Graph algorithms and graph theory · 47%

Topics — the 6 heaviest of 6, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Graph algorithms and graph theory
minimum cut
0.222009
Compacting cuts: A new linear formulation for minimum cut · ACM Trans. Algorithms 2009
Compacting cuts: a new linear formulation for minimum cut · SODA 2007
Mathematical optimization
combinatorial optimization
0.112009
Compacting cuts: A new linear formulation for minimum cut · ACM Trans. Algorithms 2009
Mathematical optimization › linear programming
linear programming formulations
0.112007
Compacting cuts: a new linear formulation for minimum cut · SODA 2007
Graph algorithms and graph theory › graph algorithms
connectivity
0.012009
Compacting cuts: A new linear formulation for minimum cut · ACM Trans. Algorithms 2009
Mathematical optimization
integer programming
0.012009
Compacting cuts: A new linear formulation for minimum cut · ACM Trans. Algorithms 2009
Mathematical optimization
linear programming relaxation
0.012009
Compacting cuts: A new linear formulation for minimum cut · ACM Trans. Algorithms 2009

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

linear programming · 0.2iterative rounding · 0.1
YearPublicationVenuePosition
2009 Compacting cuts: A new linear formulation for minimum cut
abstract
For a graph ( V , E ), existing compact linear formulations for the minimum cut problem require Θ(| V || E |) variables and constraints and can be interpreted as a composition of | V | − 1 polyhedra for minimum s - t cuts in much the same way as early approaches to finding globally minimum cuts relied on | V | − 1 calls to a minimum s - t cut algorithm. We present the first formulation to beat this bound, one that uses O (| V | 2 ) variables and O (| V | 3 ) constraints. An immediate consequence of our result is a compact linear relaxation with O (| V | 2 ) constraints and O (| V | 3 ) variables for enforcing global connectivity constraints. This relaxation is as strong as standard cut-based relaxations and has applications in solving traveling salesman problems by integer programming as well as finding approximate solutions for survivable network design problems using Jain's iterative rounding method. Another application is a polynomial-time verifiable certificate of size n for for the NP-complete problem of l 1 -embeddability of a rational metric on an n -set (as opposed to a certificate of size n 2 known previously).
Robert D. Carr, Goran Konjevod, Greg Little, Venkatesh Natarajan, Ojas Parekh
ACM Trans. Algorithms4
2007 Compacting cuts: a new linear formulation for minimum cut
Robert D. Carr, Goran Konjevod, Greg Little, Venkatesh Natarajan, Ojas Parekh
SODA4