6533b827fe1ef96bd1285798

RESEARCH PRODUCT

Eigenvectors of k–ψ-contractive wedge operators

D. CaponettiA. TrombettaG. Trombetta

subject

Radial setFixed point indexψ-condensing operatorMeasure of noncompactness k–ψ-contractive operatorWedgeRetraction

description

AbstractWe present new boundary conditions under which the fixed point index of a strict-ψ-contractive wedge operator is zero. Then we investigate eigenvalues and corresponding eigenvectors of k–ψ-contractive wedge operators.

10.1016/j.aml.2007.11.004http://dx.doi.org/10.1016/j.aml.2007.11.004