The left spectrnm a\a) and tbe right spectrum c’^(a) of an element in a Banach algebra A are considered and some properties are proved. Operatör algebras in which, for every element T, a’(T) = o“^(T) are investigated, and a characterization of ct*(T) and o'^(T) is given.
Demirbaş, M. (1980). Left and right spectra. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, 29. https://doi.org/10.1501/Commua1_0000000076
AMA
Demirbaş M. Left and right spectra. Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat. January 1980;29. doi:10.1501/Commua1_0000000076
Chicago
Demirbaş, Mustafa. “Left and Right Spectra”. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics 29, January (January 1980). https://doi.org/10.1501/Commua1_0000000076.
EndNote
Demirbaş M (January 1, 1980) Left and right spectra. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics 29
IEEE
M. Demirbaş, “Left and right spectra”, Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat., vol. 29, 1980, doi: 10.1501/Commua1_0000000076.
ISNAD
Demirbaş, Mustafa. “Left and Right Spectra”. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics 29 (January 1980). https://doi.org/10.1501/Commua1_0000000076.
JAMA
Demirbaş M. Left and right spectra. Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat. 1980;29. doi:10.1501/Commua1_0000000076.
MLA
Demirbaş, Mustafa. “Left and Right Spectra”. Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, vol. 29, 1980, doi:10.1501/Commua1_0000000076.
Vancouver
Demirbaş M. Left and right spectra. Commun. Fac. Sci. Univ. Ank. Ser. A1 Math. Stat. 1980;29.