| On the pseudospectra of matrix polynomials P Lancaster, P Psarrakos SIAM journal on matrix analysis and applications 27 (1), 115-129, 2005 | 59 | 2005 |
| Perron–Frobenius type results on the numerical range J Maroulas, PJ Psarrakos, MJ Tsatsomeros Linear algebra and its applications 348 (1-3), 49-62, 2002 | 57 | 2002 |
| A note on weak and strong linearizations of regular matrix polynomials P Lancaster, P Psarrakos Manchester Institute for Mathematical Sciences, University of Manchester, 2006 | 49 | 2006 |
| The boundary of the numerical range of matrix polynomials J Maroulas, P Psarrakos Linear algebra and its applications 267, 101-111, 1997 | 49 | 1997 |
| Numerical range of linear pencils PJ Psarrakos Linear Algebra and its Applications 317 (1-3), 127-141, 2000 | 43 | 2000 |
| On pseudospectra of matrix polynomials and their boundaries L Boulton, P Lancaster, P Psarrakos Mathematics of Computation 77 (261), 313-334, 2008 | 38 | 2008 |
| On the m-th roots of a complex matrix P Psarrakos The Electronic Journal of Linear Algebra 9, 32-41, 2002 | 36 | 2002 |
| Numerical range:(in) a matrix nutshell PJ Psarrakos, MJ Tsatsomeros Department of Mathematics, Washington State University, 2002 | 35 | 2002 |
| On the shape of numerical range of matrix polynomials H Nakazato, P Psarrakos Linear Algebra and its Applications 338 (1-3), 105-123, 2001 | 29 | 2001 |
| A definition of numerical range of rectangular matrices C Chorianopoulos, S Karanasios, P Psarrakos Linear and Multilinear Algebra 57 (5), 459-475, 2009 | 27 | 2009 |
| A method for the inverse numerical range problem C Chorianopoulos, P Psarrakos, F Uhlig The Electronic Journal of Linear Algebra 20, 198-206, 2010 | 26 | 2010 |
| The numerical range of self-adjoint quadratic matrix polynomials P Lancaster, P Psarrakos SIAM journal on matrix analysis and applications 23 (3), 615-631, 2002 | 23 | 2002 |
| Normal and seminormal eigenvalues of matrix functions P Lancaster, P Psarrakos Integral Equations and Operator Theory 41, 331-342, 2001 | 23 | 2001 |
| A primer of Perron–Frobenius theory for matrix polynomials PJ Psarrakos, MJ Tsatsomeros Linear algebra and its applications 393, 333-351, 2004 | 22 | 2004 |
| Almost skew-symmetric matrices JJ McDonald, PJ Psarrakos, MJ Tsatsomeros The Rocky Mountain Journal of Mathematics, 269-288, 2004 | 22 | 2004 |
| Point equation of the boundary of the numerical range of a matrix polynomial MT Chien, H Nakazato, P Psarrakos Linear algebra and its applications 347 (1-3), 205-217, 2002 | 20 | 2002 |
| On the stability radius of matrix polynomials PJ Psarrakos, MJ Tsatsomeros Linear and Multilinear Algebra 50 (2), 151-165, 2002 | 19 | 2002 |
| The distance from a matrix polynomial to matrix polynomials with a prescribed multiple eigenvalue N Papathanasiou, P Psarrakos Linear algebra and its applications 429 (7), 1453-1477, 2008 | 18 | 2008 |
| Geometrical properties of numerical range of matrix polynomials J Maroulas, P Psarrakos Computers & Mathematics with Applications 31 (4-5), 41-47, 1996 | 17 | 1996 |
| Birkhoff–James approximate orthogonality sets and numerical ranges C Chorianopoulos, P Psarrakos Linear algebra and its applications 434 (9), 2089-2108, 2011 | 16 | 2011 |
