List questions from graded-rings

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Graded rings: what does $\mathbb{Z}[y]/(y, y^{2n + 1})$ with $y$ of degree $2$ mean?

Published on 05 Mar 2020 - 15:35

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Can we control the number of homogeneous generators of a f.g. homogeneous ideal?

Published on 12 Mar 2020 - 0:37

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Symbolic Rees Algebra of an ideal in a Noetherian excellent ring

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Is the normal fiber cone of any $\mathfrak m$-primary ideal Noetherian?

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Motivation for Grading and Filtration

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When Rees algebra is Noetherian?

Published on 10 Apr 2020 - 23:28

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Error in Hatcher on how multiplication is defined in $H^*(X;R)$?

Published on 11 Apr 2020 - 18:04

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For any ideal $I$, $V_+(I)=V_+(J)$ for a specific homogeneous $J$

Published on 25 Mar 2026 - 9:32

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What is internal direct sum or internal direct product in Dummit and Foote?

Published on 30 Apr 2020 - 10:15

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Reason to apply the Koszul sign rule everywhere in graded contexts

Published on 07 May 2020 - 11:18

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Exercise 4.5.H in Vakil

Published on 23 May 2020 - 21:48

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On regular sequence in generating set in a homogeneous ideal in polynomial ring of maximum height

Published on 24 May 2020 - 2:55

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Graded Rings , divided polynomial algebra

Published on 25 Mar 2026 - 9:31

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Cohomological criterion for non-triviality of negative part of graded module

Published on 25 Mar 2026 - 9:29

List Question

invertible sheaves of the projective line

Graded rings: what does $\mathbb{Z}[y]/(y, y^{2n + 1})$ with $y$ of degree $2$ mean?

Can we control the number of homogeneous generators of a f.g. homogeneous ideal?

Symbolic Rees Algebra of an ideal in a Noetherian excellent ring

Is the normal fiber cone of any $\mathfrak m$-primary ideal Noetherian?

Motivation for Grading and Filtration

When Rees algebra is Noetherian?

Error in Hatcher on how multiplication is defined in $H^*(X;R)$?

For any ideal $I$, $V_+(I)=V_+(J)$ for a specific homogeneous $J$

What is internal direct sum or internal direct product in Dummit and Foote?

Reason to apply the Koszul sign rule everywhere in graded contexts

Exercise 4.5.H in Vakil

On regular sequence in generating set in a homogeneous ideal in polynomial ring of maximum height

Graded Rings , divided polynomial algebra

Cohomological criterion for non-triviality of negative part of graded module

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