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Rabinowitz, P. (1986) Minimax Methods in Critical Point Theory with Applications to Differential Equations. American Mathematical Society.
https://doi.org/10.1090/cbms/065

has been cited by the following article:

• TITLE: Existence and Multiplicity of Solutions for Double Phase Problems with Indefinite Weight in ℝ N

  AUTHORS: Hailan Li

  KEYWORDS: Double Phase Problem, Indefinite Weight, Variational Methods, Critical Point Theory

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.14 No.10, October 28, 2026

  ABSTRACT: In this paper, we study a class of double phase problems with indefinite weight: −div( a( x ) | ∇u | p−2 ∇u+ | ∇u | q−2 ∇u )+V( x ) | u | q−2 u=K( x )f( u )  in  ℝ N , where N≥3 , 1