Keywords: variable exponents, Kirchhoff type problems, p(x)-triharmonic operator, sign-changing functions, concave-convex terms, Ekeland's variational principle, multiple solutionsFull text (file, 444,01 KB) This document has more files! More...
Keywords: gradient-type system, Heisenberg group, variational methods, principle of symmetric criticality, symmetric solutionsFull text (file, 430,81 KB)
Keywords: hemivariational inequalities, variational methods, principle of symmetric criticality, radial solutions, non-radial solutionsFull text (file, 691,69 KB)
Keywords: mountain pass, Ekeland variational principle, nonlocal Kirchhoff equationFull text (file, 620,72 KB)
Keywords: fractional Kirchhoff-type system, upper critical exponent, concentration-compactness principle, variational method, multiple solutionsFull text (file, 459,70 KB) This document has more files! More...
Keywords: p-Laplacian operator, p-biharmonic equation, variational method, existence of solutions, Hardy potential, critical Hardy-Sobolev exponent, Ekeland variational principle, mountain pass geometryFull text (file, 337,32 KB) This document has more files! More...