Multiple solutions for a degenerate elliptic equation involving sublinear terms at infinity

Some multiplicity results are presented for the eigenvalue problemequation(Pλ,μPλ,μ){−div(|x|−2a∇u)=λ|x|−2bf(u)+μ|x|−2cg(u)in Ω,u=0on ∂Ω, where Ω⊂RnΩ⊂Rn(n⩾3)(n⩾3) is an open bounded domain with smooth boundary, 0∈Ω0∈Ω, 0