CONTRACTIBILITY AND IDEMPOTENTS IN BANACH ALGEBRAS

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ALIZADEH R.

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Journal Paper

Paper Information

Journal: JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY) Year:2006 | Volume:5 | Issue:3-4 Page(s): 149-154

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Information Journal Paper

Title

CONTRACTIBILITY AND IDEMPOTENTS IN BANACH ALGEBRAS

Author(s)

ALIZADEH R. | Issue Writer Certificate

Keywords

CONTRACTIBLE BANACH ALGEBRASQ4

MINIMAL IDEMPOTENTQ4

Abstract

Let A be a Banach algebra. It is shown that a contractible ideal of a Banach algebra is complemented by its annihilator. Then, it is proved the existence of minimal central idempotents in a contractible Banach algebra with a nonzero character. Moreover, the notion of b-contractibility and one of its equivalent forms are introduced. Through an example, it is shown that b-contractibility is strictly weaker than contractibility.

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APA: Copy

ALIZADEH, R.. (2006). CONTRACTIBILITY AND IDEMPOTENTS IN BANACH ALGEBRAS. JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY), 5(3-4), 149-154. SID. https://sid.ir/paper/43952/en

Vancouver: Copy

ALIZADEH R.. CONTRACTIBILITY AND IDEMPOTENTS IN BANACH ALGEBRAS. JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY)[Internet]. 2006;5(3-4):149-154. Available from: https://sid.ir/paper/43952/en

IEEE: Copy

R. ALIZADEH, “CONTRACTIBILITY AND IDEMPOTENTS IN BANACH ALGEBRAS,” JOURNAL OF SCIENCE (KHARAZMI UNIVERSITY), vol. 5, no. 3-4, pp. 149–154, 2006, [Online]. Available: https://sid.ir/paper/43952/en

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