Miscellaneous Applications of Certain Minimax Theorems II


In this paper, we present new applications of our general minimax theorems. In particular, one of them concerns the multiplicity of global minima for the integral functional of the Calculus of Variations.

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The author has been supported by the Gruppo Nazionale per l’Analisi Matematica, la Probabilità e le loro Applicazioni (GNAMPA) of the Istituto Nazionale di Alta Matematica (INdAM) and by the Università degli Studi di Catania, “Piano della Ricerca 2016/2018 Linea di intervento 2”.

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Correspondence to Biagio Ricceri.

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Dedicated to Professor Hoang Tuy with my greatest esteem

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Ricceri, B. Miscellaneous Applications of Certain Minimax Theorems II. Acta Math Vietnam 45, 515–524 (2020). https://doi.org/10.1007/s40306-020-00369-z

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  • Minimax theorem
  • Connectedness
  • Global minimum
  • Multiplicity
  • Integral functional
  • Neumann problem

Mathematics Subject Classification (2010)

  • 49J35
  • 49K35
  • 49J45
  • 49K27
  • 35J92
  • 90C47