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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Bibliographic Details
Main Authors: Zhiqiang Li, Beatriz Ychussie
Format: Article
Language:English
Published: SpringerOpen 2020-01-01
Series:Fixed Point Theory and Applications
Online Access:https://doi.org/10.1186/s13663-020-0671-6