نتایج جستجو برای: primal strong co

تعداد نتایج: 696981  

Journal: :journal of algebra and related topics 2014
s. ebrahimi atani s. dolati pish hesari m. khoramdel

in this paper, we introduce the notion of primal strong co-ideals and give some results involving them. it is shown thatsubtractive strong co-ideals are intersection of all primal strong co-ideals that contain them. also we prove that the representation of strong co-ideals as reduced intersections of primal strong co-ideals is unique.

In this paper, we introduce the notion of primal strong co-ideals and give some results involving them. It is shown thatsubtractive strong co-ideals are intersection of all primal strong co-ideals that contain them. Also we prove that the representation of strong co-ideals as reduced intersections of primal strong co-ideals is unique.

Journal: :Applied and Computational Harmonic Analysis 2021

The present work investigates the segmentation of textures by formulating it as a strongly convex optimization problem, aiming to favor piecewise constancy fractal features (local variance and local regularity) widely used model real-world in numerous applications very different nature. Two objective functions combining these two are compared, referred joint coupled , promoting either independe...

Journal: :bulletin of the iranian mathematical society 0
sh. asgari

0

Journal: :J. Optimization Theory and Applications 2013
Maicon Marques Alves Jefferson G. Melo

We analyze a primal-dual pair of problems generated via a duality theory introduced by Svaiter. We propose a general algorithm and study its convergence properties. The focus is a general primal-dual principle for strong convergence of some classes of algorithms. In particular, we give a different viewpoint for the weak-to-strong principle of Bauschke and Combettes and unify many results concer...

2012
M. M. Alves Orizon Pereira Ferreira Paulo Roberto Oliveira E. Birgin

We analyze a primal-dual pair of problems generated via a duality theory introduced by Svaiter. We propose a general algorithm and study its convergence properties. The focus is a general primal-dual principle for strong convergence of some classes of algorithms. In particular, we give a different viewpoint for the weak-to-strong principle of Bauschke and Combettes and unify many results concer...

Journal: :Math. Program. 1997
Motakuri V. Ramana

In this paper, an exact dual is derived for Semideenite Programming (SDP), for which strong duality properties hold without any regularity assumptions. Its main features are: The new dual is an explicit semideenite program with polynomially many variables and polynomial size coeecient bitlengths. If the primal is feasible, then it is bounded if and only if the dual is feasible. When the primal ...

2014
Ion Necoara Valentin Nedelcu

In this paper we propose distributed dual gradient algorithms for linearly constrained separable convex problems and analyze their rate of convergence under different assumptions. Under the strong convexity assumption on the primal objective function we propose two distributed dual fast gradient schemes for which we prove sublinear rate of convergence for dual suboptimality but also primal subo...

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