Mathematics
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user237522
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All Questions Answers
Score Newest
question
14
What is the field of fractions of $\mathbb{Q}[x,y]/(x^2+y^2)$?
Aug 12, 2016
question
9
The group of $k$-automorphisms of $k[[x,y]]$, $k$ is a field
Apr 9, 2017
question
9
Non-finitely generated, non-projective flat module, over a polynomial ring
Jul 27, 2015
question
9
Ideal of $k[x,y]$ invariant under an involution
Sep 10, 2019
question
8
How to solve $A_xB_y+A_yB_x=0$, $A,B \in \mathbb{C}[x,y]$?
May 30
question
6
When irreducible elements of a UFD remain irreducible in a ring extension
Nov 1, 2016
question
6
Which $f,g \in \mathbb{C}[x,y]$ satisfy $\mathbb{C}(fy,gy)=\mathbb{C}(x,y)$?
Aug 13, 2018
question
5
The group of $k$-automorphisms of $k[x_1,\ldots,x_{n},x_1^{-1},\ldots,x_n^{-1}]$
Apr 13, 2017
question
5
When flatness of $B$ over $A$ implies flatness of $B$ over $C$, where $A \subseteq C \subseteq B$?
Jun 17, 2015
question
5
Separability of $A \subseteq C$ implies separability of $B \subseteq C$, where $A \subseteq B \subseteq C$
Jun 5, 2015
Top network posts
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21
Should I inform the editor about a generalized result of a result in a paper under review?
21
My collaborator has asked to be only acknowledged in a paper. Should I make him a co-author?
20
'Virtual' postdoc (in math)
15
Is a wild automorphism of $k[x_1,\ldots,x_n]$, $n \geq 3$, necessarily of infinite order?
9
Concerning $k \subset L \subset k(x,y)$

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