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05/26/2023
Sublinear-Space Streaming Algorithms for Estimating Graph Parameters on Sparse Graphs
In this paper, we design sub-linear space streaming algorithms for estim...
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03/16/2022
Tight Lower Bounds for Approximate Exact k-Center in ℝ^d
In the discrete k-center problem, we are given a metric space (P,) where...
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01/26/2021
A Tight Lower Bound for Edge-Disjoint Paths on Planar DAGs
(see paper for full abstract) We show that the Edge-Disjoint Paths pro...
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11/29/2019
Tight Bounds for Planar Strongly Connected Steiner Subgraph with Fixed Number of Terminals (and Extensions)
(see paper for full abstract) Given a vertex-weighted directed graph G...
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11/20/2019
Towards a Theory of Parameterized Streaming Algorithms
Parameterized complexity attempts to give a more fine-grained analysis o...
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10/03/2019
FPT Inapproximability of Directed Cut and Connectivity Problems
(see paper for full abstract) Cut problems and connectivity problems o...
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07/20/2017
Parameterized Approximation Algorithms for Directed Steiner Network Problems
(See paper for full abstract) Given an edge-weighted directed graph G=...
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04/30/2012
A Game-Theoretic Model Motivated by the DARPA Network Challenge
In this paper we propose a game-theoretic model to analyze events simila...
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05/03/2011