Results 31 to 40 of about 27,036 (301)

On Stationary Points of Mean Nonexpansive Set-valued Mappings in Banach Spaces

open access: yesJournal of Harbin University of Science and Technology, 2018
The fixed point theory of the set-valued mappings has important applications in many branches such as modern variation problems,optimization problems and economic equilibrium problems,and it has been an essential part of nonlinear functional analysis ...
CHEN Li-li, GAO Lu, ZHOU Jing
doaj   +1 more source

Generalized Rough Sets Applied to BCK/BCI-Algebras

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2021
The concept of a (strong) set-valued BCK/BCI-morphism in BCK/BCI-algebras is considered, and several properties are investigated. Conditions for a set-valued mapping to be a set-valued BCK/BCI-morphism are given.
Jun Young Bae   +2 more
doaj   +1 more source

The mean-value iteration for set-valued mappings [PDF]

open access: yesProceedings of the American Mathematical Society, 1980
In this note Krasnoselskii’s iteration procedure \[ x n
openaire   +2 more sources

An open mapping principle for set-valued maps

open access: yes, 1987
We prove an open mapping principle for set-valued maps on Banach spaces using “kth order variations”
Frankowska, Halina
core   +1 more source

Connectedness of Solution Sets for Weak Vector Variational Inequalities on Unbounded Closed Convex Sets

open access: yesAbstract and Applied Analysis, 2013
We study the connectedness of solution set for set-valued weak vector variational inequality in unbounded closed convex subsets of finite dimensional spaces, when the mapping involved is scalar C-pseudomonotone.
Ren-you Zhong   +2 more
doaj   +1 more source

An inverse mapping theorem for H-differentibale set-valued maps

open access: yes, 2015
International audienceTaking advantage of recent developments in the theory of generalized differentiation, we present an inverse mapping theorem for set-valued maps and prove its stability under small linear perturbations. Using variational convergences
Gaydu, Michaël   +2 more
core   +1 more source

On some weak conditions of commutativity in common fixed point theorems

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1988
We generalize common fixed point theorems of Fisher and Sessa in complete metric spaces, using some conditions of weak commutativity between a set-valued mapping and a single-valued mapping. Suitable examples prove that these conditions do not imply each
M. Imdad, M. S. Khan, S. Sessa
doaj   +1 more source

Set-valued Hermite interpolation [PDF]

open access: yes, 2011
The problem of interpolating a set-valued function with convex images is addressed by means of directed sets. A directed set will be visualised as a usually non-convex set in Rn consisting of three parts together with its normal directions: the convex ...
Gilbert Perria   +3 more
core   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Health‐Related Quality of Life and Symptom Severity Among Patients With PIK3CA‐Related Overgrowth Spectrum: A Mixed‐Methods Study to Understand Real‐World Experience With Alpelisib Treatment

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background PIK3CA‐related overgrowth spectrum (PROS) includes several rare overgrowth disorders resulting from somatic gain‐of‐function mutations in PIK3CA. Despite treatment advances, including the recent approval of alpelisib for PROS in the United States, literature detailing the patient experience with PROS is limited.
Vamsi Bollu   +8 more
wiley   +1 more source

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