Before revision:  Eigensolvers involving complex moments for linear square matrix eigenproblems are paid much attention in the eigencomputation due to its coarse-grained parallelizability. Such solvers determine all finite eigenvalues in a prescribed region in the complex plane and the corresponding eigenvectors.
After revision:  Eigensolvers involving complex moments for linear square matrix eigenproblems , eigensolvers involving complex moments can determine all the eigenvalues in a prescribed region in the complex plane and the corresponding eigenvectors.