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Aurel

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 3 years, 9 months
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5 $M$ is a cyclic module if and only if it has a single invariant factor Apr 12 '18
4 Surjection from a powerset onto $\Bbb{N}$ is always possible Apr 14 '19
3 Jacobson radical = nilradical iff every open set of $\text{Spec}A$ contains a closed point. Jan 13 '18
3 Every locally closed irreducible subset $Z$ of $X:=\text{Spec}A$ contains a unique generic point. Jan 18 '18
3 Why is finiteness necessary in definition of connected category Sep 25 '18
2 Reference Request. Using algebraic geometry to study categories enriched over rings. May 9 '18
2 Realize the locus of homogeneous polynomials of degree $d$ as a projective variety. Jan 22 '18
2 How do you determine if a matrix is invertible by investigating the equation Ax = I? Mar 17 '17
2 Integers points of an elliptic curve Jul 30 '17
2 Showing a property of the zariski topology May 9 '18
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