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2d
accepted Working with $z$, $\overline{z}$ instead of $\operatorname{Re}(z)$, $\operatorname{Im}(z)$
May
26
reviewed Approve Applications of math
May
19
comment Intersection of affine varieties is affine
@oxeimon But in this case $M,N$ are not necessary open.
May
19
revised Intersection of affine varieties is affine
added 12 characters in body
May
19
comment Intersection of affine varieties is affine
I tried but I couldn't prove it.
May
15
awarded  Famous Question
May
12
awarded  Yearling
May
3
reviewed Reject Checking reasoning for finding Jordan-Canonical Form for 3x3 matrix
May
1
awarded  Popular Question
Apr
30
awarded  Popular Question
Apr
28
accepted weak-star convergence to Dirac Delta function
Apr
28
comment weak-star convergence to Dirac Delta function
Yes, but I think one only needs continuity.
Apr
28
asked weak-star convergence to Dirac Delta function
Apr
17
reviewed Approve rectangular groups are completely simple and orthodox
Mar
12
awarded  Notable Question
Mar
10
awarded  Good Question
Feb
26
awarded  Popular Question
Feb
4
awarded  Popular Question
Jan
31
comment Universal property of sheafification
Thanks for your answer.
Jan
31
accepted Universal property of sheafification