Trace identities and universal estimates for eigenvalues of linear pencils

Michael Levitin, Leonid Parnovski
2002 Elliptic and Parabolic Problems  
We describe the method of constructing the spectral trace identities and the estimates of eigenvalue gaps for the linear self-adjoint operator pencils A − λB.
doi:10.1142/9789812777201_0016 fatcat:yqibkpyefbfu5hjqguzw3pmcfe