List questions from idempotents

Published on 02 Feb 2016 - 21:53

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Idempotents with arbitrarily large norms in Banach algebras

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111

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Even-odd multiplicative algebraic structure with idempotency?

Published on 26 Mar 2026 - 9:41

114

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How can I prove the fact that "a prime ring has no nontrivial central idempotent"?

Published on 15 Feb 2016 - 8:32

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On the equivalence condition of p.p. rings

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108

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Studying the intersection $(X)\cap (X^{2}-Y+1)\subseteq\mathbb{R}[X,Y]$.

Published on 19 Feb 2016 - 12:04

610

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commutative ring which have every maximal ideal generated by an idempotent

Published on 20 Feb 2016 - 9:32

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if $e$ is an idempotent, then $Re$ is a projective module

Published on 23 Feb 2016 - 9:13

229

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Eigenspace of convex combination of two idempotent matrices

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Idempotent ideals in certain commutative rings

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Idempotent endomorphisms generate a direct sum decomposition

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Each prime ideal contains an idempotent element

Published on 12 Apr 2016 - 17:26

625

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Question about idempotent matrices.

Published on 13 Apr 2016 - 5:40

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Show that Jordan block is idempotent if it is 0 or 1

Published on 17 Apr 2016 - 20:06

275

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Modules generated by primitive idempotent elements

Published on 26 Apr 2016 - 14:27

List Question

Why is the Young symmetrizer non-zero?

Idempotents with arbitrarily large norms in Banach algebras

Even-odd multiplicative algebraic structure with idempotency?

How can I prove the fact that "a prime ring has no nontrivial central idempotent"?

On the equivalence condition of p.p. rings

Studying the intersection $(X)\cap (X^{2}-Y+1)\subseteq\mathbb{R}[X,Y]$.

commutative ring which have every maximal ideal generated by an idempotent

if $e$ is an idempotent, then $Re$ is a projective module

Eigenspace of convex combination of two idempotent matrices

Idempotent ideals in certain commutative rings

Idempotent endomorphisms generate a direct sum decomposition

Each prime ideal contains an idempotent element

Question about idempotent matrices.

Show that Jordan block is idempotent if it is 0 or 1

Modules generated by primitive idempotent elements

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