49 citations · 289 across the 45 of their papers we have counts for
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math.SP2006
Stability of Quadratic Projection Methods
Lyonell Boulton, Michael Strauss
In this paper we discuss the stability of an alternative pollution-free procedure for computing spectra. The main difference with the Galerkin method lies in the fact that it gives…
math.SP2006
On Pseudospectra of Matrix Polynomials and their Boundaries
Lyonell Boulton, Peter Lancaster, Panayiotis Psarrakos
In the first part of this paper, the main concern is with smoothness properties of the boundary of the pseudospectrum of a matrix polynomial. In the second part, results are obtain…