Abstract
In this paper, based on some prior estimates, we show that the essential spectrum λ = 0 is a bifurcation point for a superlinear elliptic equation with only local conditions, which generalizes a series of earlier results on an open problem proposed by Stuart (1983).
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Acknowledgements
This work was supported by National Natural Science Foundation of China (Grant Nos. 11801581, 11871123, 11931012 and 12271184), Guangdong Province Science Foundation (Grant Nos. 2021A1515010034 and 2018A030310082), Guangzhou Science Foundation (Grant No. 202102020225), Chongqing Science Foundation (Grant No. JDDSTD201802) and Chongqing University Science Foundation (Grant No. CXQT21021). This work was partially carried out when the second author visited the Center for Mathematical Sciences (CMS) at Wuhan University of Technology (WUT), and he thanks CMS-WUT for its hospitality.
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Zhang, J., Zhong, X. & Zhou, H. Bifurcation from the essential spectrum for an elliptic equation with general nonlinearities. Sci. China Math. 66, 2243–2260 (2023). https://doi.org/10.1007/s11425-022-2049-1
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DOI: https://doi.org/10.1007/s11425-022-2049-1