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#convex optimization

13 results
math.FA2019

$L^0$--convex compactness and its applications to random convex optimization and random variational inequalities

Tiexin Guo, Erxin Zhang, Yachao Wang +1

The paper introduces and studies $L^0$‑convex compactness for $L^0$‑convex subsets of topological modules over the algebra of random variables, provides characterization theorems (…

#convex compactness#random normed modules#L0-convexity#convex optimization
eess.SY2019

Optimization-based Settingless Algorithm Combining Protection and Fault Identification

Nadezhda Davydova, Dmitry Shchetinin, Gabriela Hug

The paper proposes a settingless time‑domain protection algorithm for medium‑voltage lines that uses small convex optimization problems to decide whether the line is healthy or fau…

#settingless protection#convex optimization#fault identification#medium-voltage lines
math.NA2019

Lifting methods for manifold-valued variational problems

Thomas Vogt, Evgeny Strekalovskiy, Daniel Cremers +1

The paper reviews and extends lifting techniques that turn difficult manifold-valued variational problems, such as segmentation and optical flow, into convex formulations that can…

#variational methods#lifting techniques#manifold-valued data#convex optimization
math.OC2019

Proximal-Like Incremental Aggregated Gradient Method with Linear Convergence under Bregman Distance Growth Conditions

Hui Zhang, Yu-Hong Dai, Lei Guo +1

The paper proposes a unified proximal-like incremental aggregated gradient (PLIAG) framework for convex optimization that achieves sublinear and linear convergence under Bregman di…

#convex optimization#incremental gradient methods#bregman distance#proximal algorithms
cs.CV2019

CvxPnPL: A Unified Convex Solution to the Absolute Pose Estimation Problem from Point and Line Correspondences

Sérgio Agostinho, João Gomes, Alessio Del Bue

The paper introduces a convex optimization framework that estimates a camera's 3D pose from any mix of 2D‑3D point and line correspondences by formulating the problem as a QCQP and…

#pose estimation#point-line correspondence#convex optimization#semidefinite programming
math.OC2019

The Chen-Teboulle algorithm is the proximal point algorithm

Stephen Becker

The paper reexamines the Chen‑Teboulle algorithm in light of recent developments and demonstrates that it can be interpreted as a proximal point method, leading to an improved boun…

#proximal point algorithm#chen-teboulle algorithm#step-size analysis#algorithmic convergence
hep-th2019

Convex programs for minimal-area problems

Matthew Headrick, Barton Zwiebach

The paper formulates the minimal‑area problem for Riemann surfaces—requiring all non‑contractible curves to have length ≥ 2π—as a local convex optimization problem using calibratio…

#conformal geometry#systolic geometry#convex optimization#string field theory
stat.CO2019

Implementing Convex Optimization in R: Two Econometric Examples

Zhan Gao, Zhentao Shi

The paper demonstrates how to implement high‑dimensional convex optimization in R using the MOSEK solver, illustrating the approach with two econometric estimation examples and sho…

#convex optimization#high-dimensional models#R programming#MOSEK solver
math.OC2019

On semi-infinite systems of convex polynomial inequalities and polynomial

Feng Guo, Xiaoxia Sun

The paper studies semi‑infinite systems of convex polynomial inequalities and proposes a method to build approximate semidefinite representations of the feasible set, then uses the…

#semi-infinite programming#polynomial inequalities#convex optimization#semidefinite programming
eess.SP2019

Max-Min Fairness Design for MIMO Interference Channels: a Minorization-Maximization Approach

Mohammad Mahdi Naghsh, Maryam Masjedi, Arman Adibi +1

The paper proposes an efficient algorithm using minorization-maximization to design linear precoders for MIMO interference channels that achieve max‑min fairness among users, even…

#mimo systems#interference channels#fairness optimization#precoder design
math.OC2019

A Push-Pull Gradient Method for Distributed Optimization in Networks

Shi Pu, Wei Shi, Jinming Xu +1

The paper proposes a push‑pull gradient algorithm for solving convex optimization problems over a network, where each node exchanges decision variables and gradient information wit…

#distributed optimization#convex optimization#gradient methods#networked systems
math.OC2019

A Distributed Stochastic Gradient Tracking Method

Shi Pu, Angelia Nedić

The paper proposes a distributed stochastic gradient tracking algorithm for multi‑agent convex optimization, showing that agents’ iterates converge exponentially fast to a neighbor…

#distributed optimization#stochastic gradient#multi‑agent systems#convex optimization
cs.DC2019

AsySPA: An Exact Asynchronous Algorithm for Convex Optimization Over Digraphs

Jiaqi Zhang, Keyou You

The paper introduces AsySPA, an exact asynchronous distributed subgradient-push algorithm that solves convex optimization problems over directed graphs, allowing nodes to update at…

#asynchronous algorithms#distributed optimization#convex optimization#directed graphs