Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations

The Editors-in-Chief have retracted this article [1] because it overlaps significantly with a number of previously published articles from different authors [2-4] and one article by different authors that was simultaneously under consideration with another journal [5]. The article also showed eviden...

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Autores principales:	Zhiqiang Li, Beatriz Ychussie
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2020
Materias:	Applied mathematics. Quantitative methods T57-57.97 Analysis QA299.6-433
Acceso en línea:	https://doaj.org/article/28bc6fc3c9684026bab7459970f8d76a
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spelling	oai:doaj.org-article:28bc6fc3c9684026bab7459970f8d76a2021-12-02T10:48:01ZRetraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations10.1186/s13663-020-0671-61687-1812https://doaj.org/article/28bc6fc3c9684026bab7459970f8d76a2020-01-01T00:00:00Zhttps://doi.org/10.1186/s13663-020-0671-6https://doaj.org/toc/1687-1812The Editors-in-Chief have retracted this article [1] because it overlaps significantly with a number of previously published articles from different authors [2-4] and one article by different authors that was simultaneously under consideration with another journal [5]. The article also showed evidence of peer review manipulation. Additionally, the identity of the corresponding author could not be verified: Roskilde University have confirmed that Beatriz Ychussie has not been affiliated with their institution. The authors have not responded to any correspondence with regards to this retraction.Zhiqiang LiBeatriz YchussieSpringerOpenarticleApplied mathematics. Quantitative methodsT57-57.97AnalysisQA299.6-433ENFixed Point Theory and Applications, Vol 2020, Iss 1, Pp 1-1 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Applied mathematics. Quantitative methods T57-57.97 Analysis QA299.6-433
spellingShingle	Applied mathematics. Quantitative methods T57-57.97 Analysis QA299.6-433 Zhiqiang Li Beatriz Ychussie Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations
description	The Editors-in-Chief have retracted this article [1] because it overlaps significantly with a number of previously published articles from different authors [2-4] and one article by different authors that was simultaneously under consideration with another journal [5]. The article also showed evidence of peer review manipulation. Additionally, the identity of the corresponding author could not be verified: Roskilde University have confirmed that Beatriz Ychussie has not been affiliated with their institution. The authors have not responded to any correspondence with regards to this retraction.
format	article
author	Zhiqiang Li Beatriz Ychussie
author_facet	Zhiqiang Li Beatriz Ychussie
author_sort	Zhiqiang Li
title	Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations
title_short	Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations
title_full	Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations
title_fullStr	Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations
title_full_unstemmed	Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations
title_sort	retraction note: sharp geometrical properties of a-rarefied sets via fixed point index for the schrödinger operator equations
publisher	SpringerOpen
publishDate	2020
url	https://doaj.org/article/28bc6fc3c9684026bab7459970f8d76a
work_keys_str_mv	AT zhiqiangli retractionnotesharpgeometricalpropertiesofararefiedsetsviafixedpointindexfortheschrodingeroperatorequations AT beatrizychussie retractionnotesharpgeometricalpropertiesofararefiedsetsviafixedpointindexfortheschrodingeroperatorequations
_version_	1718396698173112320

Retraction Note: Sharp geometrical properties of a-rarefied sets via fixed point index for the Schrödinger operator equations

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