H Faßbender, P Saltenberger - Linear Algebra and its Applications, 2017 - Elsevier
Regular and singular matrix polynomials P (λ)=∑ i= 0 k P i ϕ i (λ), P i∈ R n× n given in an
orthogonal basis ϕ 0 (λ), ϕ 1 (λ),…, ϕ k (λ) are considered. Following the ideas in [9], the …