List questions from coherent-rings | MathQa

Geometric intuition for coherent rings, modules, and sheaves

Published on 14 Apr 2025 - 6:16

Is every ring/module the filtered colimit of its finitely presented/coherent/quasicoherent subrings/submodules?

Published on 15 Apr 2025 - 13:09

(quasi)coherent rings for which $\dim R[T]\neq \dim R+1$

Published on 15 Apr 2025 - 9:21

Polynomial ring in infinitely many variables over a noetherian ring is coherent

Published on 15 Apr 2025 - 13:22

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

Published on 18 Apr 2025 - 8:43

$M$ is a coherent left $R$-module implies $M/IM$ is a coherent $R/I$-module.

Published on 10 Apr 2025 - 23:24

$I$ finitely presented nilpotent ideal of a commutative ring $R$ and $R/I$ coherent implies $R$ coherent

Published on 15 Apr 2025 - 9:24

infinite indeterminates over a left noetherian ring is left coherent(want a basic proof)

Published on 15 Apr 2025 - 8:26

Do two similar boolean matrices have same number of non-zero entries?

Published on 15 Apr 2025 - 7:34

Rings where finitely generated ideals are closed under countable intersection

Published on 15 Apr 2025 - 13:25