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    STUDIA MATHEMATICA - Issue no. 1 / 2023  
         
  Article:   MULTIPLE SOLUTION FOR A FOURTH-ORDER NONLINEAR EIGENVALUE PROBLEM WITH SINGULAR AND SUBLINEAR POTENTIAL.

Authors:  CSABA FARKAS, ILDIKÓ ILONA MEZEI, ZSUZSÁNNA-TIMEA NAGY.
 
       
         
  Abstract:   DOI: 10.24193/subbmath.2023.1.10

Published Online: 2023-03-20
Published Print: 2023-04-30
pp. 139-149

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Let (M, g) be a Cartan-Hadamard manifold. For certain positive numbers µ and λ, we establish the multiplicity of solutions to the problem................................ where x0 ∈ M , while f : R → R is continuous function, superlinear at zero and sublinear at infinity.

Mathematics Subject Classification (2010): 54AXX.

Keywords: Riemannian manifolds, Schro¨dinger system, variational arguments, isometries.
 
         
     
         
         
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