Some Aspects of Nonlinear Operators and Critical Point Theory

  • Shujie Li
Part of the Mathematics and Its Applications book series (MAIA, volume 356)


In this paper we sum up the following results: An open problem stated by L. Nirenberg, Palacs-Smale condition and coercivity, some new existence theorems of critical point, applications to nonlinear differential equations.


Periodic Solution Hamiltonian System Nontrivial Solution Existence Theorem Nonlinear Operator 
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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • Shujie Li
    • 1
  1. 1.Institute of MathematicsAcademia SinicaBeijingChina

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