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user26857
  • Member for 12 years, 7 months
  • Last seen more than a week ago
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28
Nontrivial theorems with trivial proofs
Nov 30, 2015
answer
16
Is a domain all of whose localizations are noetherian itself noetherian ?
Nov 2, 2019
question
11
Are there irreducible ideals that are not primary in $K[X_1,\dots,X_n,\dots]$?
Oct 29, 2014
question
10
Equation with $q$-binomial coefficients
May 3, 2015
answer
9
Radical generation of ideals in Noetherian rings
Nov 13, 2012
answer
9
Hilbert's Nullstellensatz on polynomials with integer coefficients
Feb 2, 2013
question
5
Macaulay's example of prime ideals in $\mathbb C[X_1,X_2,X_3]$ having large number of generators
May 18, 2015
answer
5
Errata for Atiyah–Macdonald
Apr 11, 2014
question
4
Example of fractional ideal whose inverse does not commute with localization
Feb 5, 2015
question
4
When does a faithful module have an element with zero annihilator?
Mar 15, 2015
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60
Is Pythagoras the only relation to hold between $\cos$ and $\sin$?
32
Is quotient of a ring by a power of a maximal ideal local?
23
Exercise from Atiyah-Macdonald, Chapter 1, 2.iv)
22
The number of ring homomorphisms from $\mathbb{Z}_m$ to $\mathbb{Z}_n$
22
Integral domain with a finitely generated non-zero injective module is a field