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Quod Erat Demonstrandum ■

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Sufficient Conditions for Finiteness of a Module

ac.commutative-algebra

jun 15 12 at 8:00 QED 67●5

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Rings with the property $\dim R-\dim R/p\leq \text{const}$ for all minimal $p$

ac.commutative-algebra ra.rings-and-algebras

jun 4 at 20:44 Michael Hardy 4,558●1●23●48

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130

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Is there a prime of height $i$ in support of $H^i_I(R)$?

cohomology local-rings ac.commutative-algebra prime-ideals local-cohomology

jun 8 at 10:52 QED 67●5

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An example of a ring $R$ with the property that for each $P=Ann_R(r)\in {\rm Min}(R)$ we have $Ann_R(P)=Rr$.

ac.commutative-algebra commutative-rings local-rings ra.rings-and-algebras

may 13 at 18:19 Stephen Sturgeon 170●5

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101

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ideals of a noetherian ring $R$ Cohen-Macaulay as $R-$modules

ac.commutative-algebra cohen-macaulay-rings local-rings

may 13 at 17:39 QED 67●5

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124

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Relation between $H^i_I(-)$ and $H^i_J(-)$ when $I\subset J$

ac.commutative-algebra cohomology commutative-rings local-cohomology

may 22 at 2:40 Karl Schwede 11.7k●1●14●35

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Example of a ring whose minimals are annihilators of idempotents?

ac.commutative-algebra abstract-algebra ra.rings-and-algebras local-rings commutative-rings

may 29 at 18:15 QED 67●5

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Is there a prime of height i in support of $H ^ i_ I(R)$ when $i$ is the cohomological dimension of $I$?

ac.commutative-algebra cohomology local-cohomology

jun 8 at 11:00 QED 67●5

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109

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When does “second annihilator” of a (principal) ideal equal the ideal itself , ie $Ann_R(Ann_R(r))=Rr$?

ac.commutative-algebra commutative-rings

may 27 at 21:54 rschwieb 158●6

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b-Cofiniteness of a-Cohomology Modules when b contains a

ac.commutative-algebra homological-algebra cohomology

may 24 12 at 17:41 QED 67●5

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Sufficient Conditions for Finiteness of a Module

Rings with the property $\dim R-\dim R/p\leq \text{const}$ for all minimal $p$

Is there a prime of height $i$ in support of $H^i_I(R)$?

An example of a ring $R$ with the property that for each $P=Ann_R(r)\in {\rm Min}(R)$ we have $Ann_R(P)=Rr$.

ideals of a noetherian ring $R$ Cohen-Macaulay as $R-$modules

Relation between $H^i_I(-)$ and $H^i_J(-)$ when $I\subset J$

Example of a ring whose minimals are annihilators of idempotents?

Is there a prime of height i in support of $H ^ i_ I(R)$ when $i$ is the cohomological dimension of $I$?

When does “second annihilator” of a (principal) ideal equal the ideal itself , ie $Ann_R(Ann_R(r))=Rr$?

b-Cofiniteness of a-Cohomology Modules when b contains a

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