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math54321
  • Member for 4 years, 4 months
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3 votes
Accepted

Ideals of $\mathbb{Z}[X]$

2 votes
Accepted

Existence of constrained pairs of elements in $\mathbb{C}[x,y,z]/(x^3,y^3,z^3)$ that multiply to zero

1 vote
Accepted

Is the contraction of a minimal prime of the extension always the original prime?

1 vote
Accepted

Does Hom(N, M) = 0 imply the existence of an M-regular element in Ann(N) in the non-noetherian case?

3 votes
Accepted

Is Wikipedia correct or not about Irreducible Ring?

2 votes
Accepted

Irreducible components of certain (potentially non-Noetherian) spectrum

1 vote
Accepted

Primary decomposition of the zero ideal when the nilradical is prime

1 vote
Accepted

Is the ideal generated by coefficients of characteristic polynomial of a matrix prime?

2 votes
Accepted

Can $\operatorname{Spec}(R)$ be not homeomorphic to $\operatorname{Spec}(S)$ but be isomorphic as a poset?

1 vote
Accepted

What commutative Noetherian rings are locally principal?

1 vote
Accepted

$k$-rational points in affine varieties (characterization of closed points $x$ of affine $k$-varieties with $[\kappa(x):k]=1$)