2016
DOI: 10.1007/s10957-016-0952-8
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A Strong Metric Subregularity Analysis of Nonsmooth Mappings Via Steepest Displacement Rate

Abstract: In this paper, a systematic study of the strong metric subregularity property of mappings is carried out by means of a variational tool, called steepest displacement rate. With the aid of this tool, a simple characterization of strong metric subregularity for multifunctions acting in metric spaces is formulated. The resulting criterion is shown to be useful for establishing stability properties of the strong metric subregularity in the presence of perturbations, as well as for deriving various conditions, enab… Show more

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Cited by 11 publications
(17 citation statements)
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“…[17,Section 2.1]. For the most recent developments in research on metric subregularity, we refer the readers to [2,6,15,18,19,22,23,26,27,31,33,34].…”
mentioning
confidence: 99%
“…[17,Section 2.1]. For the most recent developments in research on metric subregularity, we refer the readers to [2,6,15,18,19,22,23,26,27,31,33,34].…”
mentioning
confidence: 99%
“…By applying the continuity of the mappings x  → g j (x(⋅), ⋅) once again one gets that there exists 2 > 0 such that for any j ∈ J(x) and ∈ [0, 2 ] one has g j (x(t) + Δx(t), t) > 0 for any t ∈ T j (x), g j (x(t j ) + Δx(t j ), t j ) > 2 (x, u)∕3, while g j (x(t) + Δx(t), t) < 2 (x, u)∕3 for any t ∉ T j (x). Hence and from equality (48) it follows that…”
Section: Linear Evolution Equationsmentioning
confidence: 93%
“…Let us provide simple sufficient conditions for the global exactness of the penalty function Φ λ . To this end, we need to recall the definition of the rate of steepest descent of a function defined on a metric space . Let g:Xdouble-struckRfalse{+false} be a given function, K ⊂ X be a nonempty set, and x ∈ K be such that g ( x )<+ ∞ .…”
Section: Exact Penalty Functions In Metric Spacesmentioning
confidence: 99%
“…To this end, we need to recall the definition of the rate of steepest descent of a function defined on a metric space. [50][51][52] Let g ∶ X → ℝ ∪ {+∞} be a given function, K ⊂ X be a nonempty set, and x ∈ K be such that g(x) < +∞. The quantity…”
Section: Definitionmentioning
confidence: 99%