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Morad Ahmadnasab

Morad Ahmadnasab

Academic rank: Assistant Professor
ORCID:
Education: PhD.
ScopusId: 27367539200
Faculty: Faculty of Science
Address:
Phone:

Research

Title
Homotopic deviation in the light of algebra
Type
JournalPaper
Keywords
Homotopic Deviation, Lidskii's theory, kernel‎ ‎Homotopic Deviation-Lidskii's theory-kernel ‎point-critical point-frontier point-spectral and individual‎ ‎unobservability-matrix polynomial‎
Year
2005
Journal Technical Report
DOI
Researchers Morad Ahmadnasab ، F. Chaitin-Chatelin ، Nasreddine Megrez

Abstract

‎\noindent This ongoing work on Homotopic Deviation focuses on the purely‎ ‎algebraic aspect of the theory. We use the definition $\ds (zI - A)^{-1} =‎ ‎\frac{1}{\pi(z)} adj(zI - A) $ for $z \in re(A)=\C \backslash \sigma(A)$,‎ ‎$\pi(z)=$det$(zI-A)$, ~to ~relate $ M_z = V^H (zI - A)^{-1} U $ ~to ~the‎ ‎~matrix ~polynomial $Q(z) = V^H adj (zI - A ) U$ of order $ r