Search Results - Worst-case computational complexity estimation
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An elementary approach to tight worst case complexity analysis of gradient based methods
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2023Published in Mathematical programming (01.09.2023)“…This work presents a novel analysis that allows to achieve tight complexity bounds of gradient-based methods for convex optimization…”
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On the worst-case complexity of the gradient method with exact line search for smooth strongly convex functions
ISSN: 1862-4472, 1862-4480Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.10.2017Published in Optimization letters (01.10.2017)“… We also give the tight worst-case complexity bound for a noisy variant of gradient descent method, where exact line-search is performed in a search direction that differs from negative gradient…”
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The exact worst-case convergence rate of the alternating direction method of multipliers
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2024Published in Mathematical programming (01.11.2024)“…Recently, semidefinite programming performance estimation has been employed as a strong tool for the worst-case performance analysis of first order methods…”
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The exact worst-case convergence rate of the gradient method with fixed step lengths for L-smooth functions
ISSN: 1862-4472, 1862-4480Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.07.2022Published in Optimization letters (01.07.2022)“…In this paper, we study the convergence rate of the gradient (or steepest descent) method with fixed step lengths for finding a stationary point of an L…”
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Worst-Case Eye Analysis of High-Speed Channels Based on Bayesian Optimization
ISSN: 0018-9375, 1558-187XPublished: New York IEEE 01.02.2021Published in IEEE transactions on electromagnetic compatibility (01.02.2021)“… In this article, an optimization-based approach is proposed to quickly obtain the worst-case eye diagram characteristics…”
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On the Minimax Risk of Dictionary Learning
ISSN: 0018-9448, 1557-9654Published: New York IEEE 01.03.2016Published in IEEE transactions on information theory (01.03.2016)“…) estimation problem, the lower bounds on the worst case MSE are derived following an established information-theoretic approach to minimax estimation…”
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An integrated approach of Genetic Algorithm and Machine Learning for generation of Worst-Case Data for Real-Time Systems
Published: IEEE 26.09.2022Published in 2022 IEEE/ACM 26th International Symposium on Distributed Simulation and Real Time Applications (DS-RT) (26.09.2022)“… Worst-Case Data which gives maximum execution time, plays a vital role in the estimation of WCET…”
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Conference Proceeding -
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Computing Execution Times with eXecution Decision Diagrams in the Presence of Out-Of-Order Resources
ISSN: 0278-0070, 1937-4151Published: New York IEEE 01.11.2023Published in IEEE transactions on computer-aided design of integrated circuits and systems (01.11.2023)“…We propose a precise and efficient pipeline analysis to tackle the problem of out-of-order resources in modern embedded microprocessors for the computation of the Worst-Case Execution Time (WCET…”
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Outlier-Robust Estimation: Hardness, Minimally Tuned Algorithms, and Applications
ISSN: 1552-3098, 1941-0468Published: New York IEEE 01.02.2022Published in IEEE transactions on robotics (01.02.2022)“… Our first contribution is a proof that outlier-robust estimation is inapproximable: In the worst case, it is impossible to (even approximately…”
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The Traveling Salesman Problem: A Computational Study
ISBN: 9780691129938, 0691129932, 1400841100, 9781400841103Published: Princeton Princeton University Press 2011“…This book presents the latest findings on one of the most intensely investigated subjects in computational mathematics--the traveling salesman problem…”
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Robust blind multiuser detection for synchronous CDMA systems using worst-case performance optimization
ISSN: 1536-1276, 1558-2248Published: Piscataway, NJ IEEE 01.11.2004Published in IEEE transactions on wireless communications (01.11.2004)“…The performance of blind multiuser detection methods is known to degrade severely in the presence of even small mismatches between the actual and the presumed…”
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Reduced-Complexity ML Detection and Capacity-Optimized Training for Spatial Modulation Systems
ISSN: 0090-6778, 1558-0857Published: New York, NY IEEE 01.01.2014Published in IEEE transactions on communications (01.01.2014)“…Spatial Modulation (SM) is a recently developed low-complexity Multiple-Input Multiple-Output scheme that jointly uses antenna indices and a conventional signal set to convey information…”
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On the Convergence Rate of MCTS for the Optimal Value Estimation in Markov Decision Processes
ISSN: 0018-9286, 1558-2523Published: New York IEEE 01.07.2025Published in IEEE transactions on automatic control (01.07.2025)“…A recent theoretical analysis of a Monte-Carlo tree search (MCTS) method properly modified from the "upper confidence bound applied to trees" (UCT) algorithm…”
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Robust Optimization for Amplify-and-Forward MIMO Relaying From a Worst-Case Perspective
ISSN: 1053-587X, 1941-0476Published: New York, NY IEEE 01.11.2013Published in IEEE transactions on signal processing (01.11.2013)“… According to the philosophy of worst-case robustness, the robust optimization problems with respect to maximizing the worst-case MI and minimizing the worst-case MSE are formulated as maximin…”
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Low-Complexity LMMSE-Based Iterative Soft Interference Cancellation for MIMO Systems
ISSN: 1053-587X, 1941-0476Published: New York IEEE 2022Published in IEEE transactions on signal processing (2022)“… Thus, for the worst-case scenario in the proposed scheme, the complexity of estimating each transmit symbol is approximately proportional to the square of the number of receive antennas…”
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Multi-Hypothesis Joint Detection and Estimation with Worst-Case Mean Square Error
Published: IEEE 01.07.2022Published in 2022 7th International Conference on Automation, Control and Robotics Engineering (CACRE) (01.07.2022)“…, worst-case mean square error, MSE) using low-complexity frameworks. Most previous works mainly use numerical search to minimize the worst-case MSE under detection error probability constrains…”
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Conference Proceeding -
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Sublinear Algorithms for Local Graph Centrality Estimation
ISSN: 2575-8454Published: IEEE 01.10.2018Published in 2018 IEEE 59th Annual Symposium on Foundations of Computer Science (FOCS) (01.10.2018)“…We study the complexity of local graph centrality estimation, with the goal of approximating the centrality score of a given target node while exploring only a sublinear number of nodes/arcs…”
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Conference Proceeding -
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Use of Measurements in Worst-Case Execution Time Estimation for Real-Time Systems
ISSN: 2324-7894Published: IEEE 22.11.2021Published in Brazilian Symposium on Computing System Engineering (22.11.2021)“… In order to ensure compliance with deadlines, the Worst-Case Execution Time (WCET) of each task should be estimated…”
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Conference Proceeding -
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Distributionally Robust Optimization for STAP With Finite Samples
ISSN: 0018-9251, 1557-9603Published: New York IEEE 01.10.2025Published in IEEE transactions on aerospace and electronic systems (01.10.2025)“…Drawing on the minimization of worst-case maximum likelihood (ML) estimation, this article develops a robust inverse clutter-plus-noise covariance matrix (CNCM…”
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Robust adaptive beamforming based on the Kalman filter
ISSN: 1053-587X, 1941-0476Published: New York, NY IEEE 01.08.2005Published in IEEE transactions on signal processing (01.08.2005)“… This beamformer is based on worst-case performance optimization and has been shown to provide an excellent robustness against arbitrary but norm-bounded mismatches in the desired signal steering vector…”
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