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math.NA2013★ 24 cited
Efficient estimation of eigenvalue counts in an interval
Edoardo Di Napoli, Eric Polizzi, Yousef Saad
Estimating the number of eigenvalues located in a given interval of a large sparse Hermitian matrix is an important problem in certain applications and it is a prerequisite of eige…
math.NA2013
FEAST as a Subspace Iteration Eigensolver Accelerated by Approximate Spectral Projection
Ping Tak Peter Tang, Eric Polizzi
The calculation of a segment of eigenvalues and their corresponding eigenvectors of a Hermitian matrix or matrix pencil has many applications. A new density-matrix-based algorithm…