Software A daptive M ultigrid P reconditioned E igensolver : A software for the computation of the smallest eigenvalues and the associated eigenfunctions of a self-adjoint and elliptic partial differential [...] 1 . M. Zhou, K. Neymeyr, Users' guide to the AMP Eigensolver ( A daptive M ultigrid P reconditioned E igensolver). Version 1.0, 2014. K. Neymeyr, M. Zhou, The block preconditioned steepest descent iteration [...] Zhou, Convergence analysis of gradient iterations for the symmetric eigenvalue problem . SIAM J. Matrix Anal. Appl. 32 (2011), 443-456. M. Zhou, On the convergence theory of preconditioned subspace iterations
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