Wrobel, Volker The boundary of Taylor’s joint spectrum for two commuting Banach space operators. (English) Zbl 0619.47002 Stud. Math. 84, 105-111 (1986). MSC: 47A10 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Cho, Muneo; Takaguchi, Makoto Boundary of Taylor’s joint spectrum for two commuting operators. (English) Zbl 0524.47003 Rev. Roum. Math. Pures Appl. 27, 863-866 (1982). MSC: 47A10 47A60 × Cite Format Result Cite Review PDF
Cho, Muneo; Takaguchi, Makoto Boundary of Taylor’s joint spectrum for two commuting operators. (English) Zbl 0499.47001 Sci. Rep. Hirosaki Univ. 28, 1-4 (1981). MSC: 47A10 47A12 × Cite Format Result Cite Review PDF