List questions from noncommutative-algebra

Published on 20 Nov 2012 - 2:24

311

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What is the definition of 'regular local' and 'regular' for noncommutative rings?

Published on 12 Dec 2012 - 9:20

557

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Universal enveloping algebra of a Poisson algebra

Published on 20 Dec 2012 - 15:08

233

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tensoring a polynomial algebra: $R[x_i]/\mathfrak{a}\otimes A \cong A[x_i]/\mathfrak{a}$

Published on 30 Dec 2012 - 14:47

160

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Natural homomorphism $\mathfrak{a} \prod E_\lambda \to \prod \mathfrak{a} E_\lambda$

Published on 09 Jan 2013 - 18:39

84

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Describing the algebra of functions on $S^2$

Published on 26 Mar 2026 - 11:04

639

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Reduced norms of matrix algebras

Published on 23 Jan 2013 - 11:40

318

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How to prove finite dimensionality of Hom-spaces between modules of finite length?

Published on 29 Jan 2013 - 14:33

391

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socles of semiperfect rings

Published on 23 Feb 2026 - 9:29

159

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Total divisor in a Principal Ideal Domain.

Published on 09 Feb 2013 - 14:46

2.1k

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Artin-Wedderburn decomposition of a particular group ring

Published on 26 Mar 2026 - 16:05

427

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Projective objects in the category of rings

Published on 15 Feb 2013 - 7:35

3.6k

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Definition of a filtration on a ring, module, algebra

Published on 21 Feb 2013 - 22:11

104

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Left ideals of central simple algebra generated by symmetric element

Published on 26 Feb 2013 - 17:26

295

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When do finiteness conditions coincide on modules?

Published on 26 Feb 2013 - 21:48

List Question

Wedderburn-Artin theorem

What is the definition of 'regular local' and 'regular' for noncommutative rings?

Universal enveloping algebra of a Poisson algebra

tensoring a polynomial algebra: $R[x_i]/\mathfrak{a}\otimes A \cong A[x_i]/\mathfrak{a}$

Natural homomorphism $\mathfrak{a} \prod E_\lambda \to \prod \mathfrak{a} E_\lambda$

Describing the algebra of functions on $S^2$

Reduced norms of matrix algebras

How to prove finite dimensionality of Hom-spaces between modules of finite length?

socles of semiperfect rings

Total divisor in a Principal Ideal Domain.

Artin-Wedderburn decomposition of a particular group ring

Projective objects in the category of rings

Definition of a filtration on a ring, module, algebra

Left ideals of central simple algebra generated by symmetric element

When do finiteness conditions coincide on modules?

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