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visits member for 3 years
seen Dec 17 at 17:01

Jun
8
awarded  Caucus
May
12
accepted Discontinuous Fourier transforms?
May
11
asked A solution to a system of homogeneous polynomials in three variables
May
11
asked Discontinuous Fourier transforms?
May
11
comment Stacks in arithmetic geometry
This seems like it would be a better question for MO.
May
9
comment Is it true that a fourier transform of $f$ never vanishes if the translates of $f$ is $L^1(\mathbb{R})$
Appreciate the elaboration, thanks.
May
9
comment Is it true that a fourier transform of $f$ never vanishes if the translates of $f$ is $L^1(\mathbb{R})$
Thanks! I understand the "much easier" way to prove the last, but I don't entirely understand why you take the convolution of $u$ with its conjugate, would you explain this?
May
9
accepted Is it true that a fourier transform of $f$ never vanishes if the translates of $f$ is $L^1(\mathbb{R})$
May
9
revised Is it true that a fourier transform of $f$ never vanishes if the translates of $f$ is $L^1(\mathbb{R})$
added 78 characters in body
May
9
comment Is it true that a fourier transform of $f$ never vanishes if the translates of $f$ is $L^1(\mathbb{R})$
Yikes, thanks for spotting this.
May
9
revised Is it true that a fourier transform of $f$ never vanishes if the translates of $f$ is $L^1(\mathbb{R})$
added 156 characters in body
May
9
asked Is it true that a fourier transform of $f$ never vanishes if the translates of $f$ is $L^1(\mathbb{R})$
May
8
awarded  Outspoken
May
6
comment Measure theory problem.
OP has posted 9 questions today with no work and some variation of "Plz help, this is hard".
May
6
comment Measure theory problem.
Someone's got a homework assignment due tomorrow?
May
6
comment Divisibility by 7 or 3
This might help: en.wikipedia.org/wiki/Divisibility_rule
May
6
comment Solving an integral
Try $u=x+1$ followed by a trig substitution.
May
4
accepted Understanding a morphism of modules by properties of the induced residue field homomorphism
May
4
asked Understanding a morphism of modules by properties of the induced residue field homomorphism
May
4
awarded  Citizen Patrol