CONVEX QUARTIC PROBLEMS: HOMOGENIZED GRADIENT METHOD AND PRECONDITIONING

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This work presents a new computational optimization framework for the robust control of parks of Wave Energy Converters (WEC) in irregular waves. The power of WEC parks is maximized with respect to the individual control damping and stiffness coefficients ...

In vivo quantitative estimation of axon diameter in the white matter could bring new tools to study the structural and functional architecture of the brain. Recently, the feasibility of axon diameter estimation with diffusion-weighted MRI (DW-MRI) has been ...

In the context of next generation radio telescopes, like the Square Kilometre Array, the efficient processing of large-scale datasets is extremely important. Convex optimisation tasks under the compressive sensing framework have recently emerged and provid ...

A method to synthesize shaped beams with antenna arrays is presented. Specifically, the element excitations are determined such that the array radiates a power pattern that approximates a desired shape. To efficiently solve this problem, an iterative algor ...

We investigate multilevel Schwarz domain decomposition preconditioners, to efficiently solve linear systems arising from numerical discretizations of elliptic partial differential equations by the finite element method. In our analysis we deal with unstruc ...

Any finite, separately convex, positively homogeneous function on

\mathbb{R}^2

is convex. This was first established by the first author ["Direct methods in calculus of variations", Springer-Verlag (1989)]. Here we give a new and concise proof of this re ...

CONVEX QUARTIC PROBLEMS: HOMOGENIZED GRADIENT METHOD AND PRECONDITIONING

Chattez avec Graph Search

Robust optimization of control parameters for WEC arrays using stochastic methods

Assessing feasibility and reproducibility of a bundle-specific framework on in vivo axon diameter estimates at 300mT/m

Scalable splitting algorithms for big-data interferometric imaging in the SKA era

Shaped Beam Synthesis of Arrays via Sequential Convex Optimizations

Multilevel Schwarz methods for elliptic partial differential equations

The role of perspective functions in convexity, polyconvexity, rank-one convexity and separate convexity