On the C-trace pseudospectrum in the matrix algebra
				
										Keywords:
				
				
																		Pseudospectrum, 													condition pseudospectrum, 													trace pseudospectrum															
			
			
										Abstract
In this paper we discuss theoretical properties of the C-trace pseudospectrum for an element in the matrix algebra. We also make several observations on the C-trace pseudospectrum.
References
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A. Jeribi, Spectral theory and applications of linear operators and block operator matrices, Springer-Verlag, New-York, (2015).
R.A. Horn, C.R. Johnson, Topics in Matrix Analysis, Cambridge University Press, (1991).
L. N. Trefethen and M. Embree, Spectra and pseudospectra: The behavior of nonnormal matrices and operators. Prin. Univ. Press, Princeton and Oxford, (2005).
				A. Ammar, A. Jeribi and K. Mahfoudhi, A characterization of the condition pseudospectrum on Banach space, Funct. Anal. Approx. Comput. 10 (2) (2018), 13–21.
A. Ammar, A. Jeribi and K. Mahfoudhi, The condition pseudospectrum subset and related results, J. Pseudo-Differ. Oper. Appl. (2018), 1–14.
A. Ammar, A. Jeribi and K. Mahfoudhi, Generalized trace pseudo-spectrum of matrix pencils, Cubo A Mathematical Journal 21, (02), (2019) 65-76.
A. Jeribi, Spectral theory and applications of linear operators and block operator matrices, Springer-Verlag, New-York, (2015).
R.A. Horn, C.R. Johnson, Topics in Matrix Analysis, Cambridge University Press, (1991).
L. N. Trefethen and M. Embree, Spectra and pseudospectra: The behavior of nonnormal matrices and operators. Prin. Univ. Press, Princeton and Oxford, (2005).
						Published
					
					
						2019-12-29
					
				
							How to Cite
						
						Ammar, A., Jeribi, A., & Mahfoudhi, K. (2019). On the C-trace pseudospectrum in the matrix algebra. Divulgaciones Matemáticas, 20(2), 39-44. Retrieved from https://produccioncientifica.luz.edu.ve/index.php/divulgaciones/article/view/36629
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							Research papers
						
					 
							 
							






