Results 31 to 40 of about 6,028,400 (221)

ON OPTIMUM DESIGN OF FRAME STRUCTURES

open access: yesActa Polytechnica CTU Proceedings, 2020
Optimization of frame structures is formulated as a non-convex optimization problem, which is currently solved to local optimality. In this contribution, we investigate four optimization approaches: (i) general non-linear optimization, (ii) optimality ...
Marek Tyburec   +3 more
doaj   +1 more source

Variational density matrix optimization using semidefinite programming [PDF]

open access: yes, 2011
We discuss how semidefinite programming can be used to determine the second-order density matrix directly through a variational optimization. We show how the problem of characterizing a physical or N -representable density matrix leads to matrix ...
Boyd   +22 more
core   +2 more sources

Distributionally Robust Joint Chance Constrained Problem under Moment Uncertainty

open access: yesJournal of Applied Mathematics, 2014
We discuss and develop the convex approximation for robust joint chance constraints under uncertainty of first- and second-order moments. Robust chance constraints are approximated by Worst-Case CVaR constraints which can be reformulated by a ...
Ke-wei Ding
doaj   +1 more source

On the Embed and Project Algorithm for the Graph Bandwidth Problem

open access: yesMathematics, 2021
The graph bandwidth problem, where one looks for a labeling of graph vertices that gives the minimum difference between the labels over all edges, is a classical NP-hard problem that has drawn a lot of attention in recent decades. In this paper, we focus
Janez Povh
doaj   +1 more source

Semidefinite Programming Converse Bounds for Quantum Communication [PDF]

open access: yesIEEE Transactions on Information Theory, 2017
We derive several efficiently computable converse bounds for quantum communication over quantum channels in both the one-shot and asymptotic regime.
Xin Wang, K. Fang, R. Duan
semanticscholar   +1 more source

Critical Multipliers in Semidefinite Programming [PDF]

open access: yesAsia-Pacific Journal of Operational Research, 2020
It was proved in Izmailov and Solodov (2014). Newton-Type Methods for Optimization and Variational Problems, Springer] that the existence of a noncritical multiplier for a (smooth) nonlinear programming problem is equivalent to an error bound condition for the Karush–Kuhn–Thcker (KKT) system without any assumptions.
Zhang, Tianyu, Zhang, Liwei
openaire   +3 more sources

A Rank-Two Feasible Direction Algorithm for the Binary Quadratic Programming

open access: yesJournal of Applied Mathematics, 2013
Based on the semidefinite programming relaxation of the binary quadratic programming, a rank-two feasible direction algorithm is presented. The proposed algorithm restricts the rank of matrix variable to be two in the semidefinite programming relaxation ...
Xuewen Mu, Yaling Zhang
doaj   +1 more source

Variational Quantum Algorithms for Semidefinite Programming [PDF]

open access: yesQuantum
A semidefinite program (SDP) is a particular kind of convex optimization problem with applications in operations research, combinatorial optimization, quantum information science, and beyond.
Dhrumil Patel   +2 more
doaj   +1 more source

Sum-of-Squares Optimization without Semidefinite Programming [PDF]

open access: yesSIAM Journal on Optimization, 2017
We propose a homogeneous primal-dual interior-point method to solve sum-of-squares optimization problems by combining non-symmetric conic optimization techniques and polynomial interpolation.
D. Papp, Sercan Yıldız
semanticscholar   +1 more source

Efficient Convex Optimization for Energy-Based Acoustic Sensor Self-Localization and Source Localization in Sensor Networks

open access: yesSensors, 2018
The energy reading has been an efficient and attractive measure for collaborative acoustic source localization in practical application due to its cost saving in both energy and computation capability.
Yongsheng Yan   +4 more
doaj   +1 more source

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