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(formerly user "unknowngoogle", and for a very short time "red herring" but that was a red herring)
8h

comment 
What is the motivation and purpose of the Floretion group?
The inverse of a defloration? ^__^ 
8h

comment 
What is the motivation and purpose of the Floretion group?
"Florenion" would be more similar to "quaternion" etc.. 
Jun 19 
comment 
If a topological space has vanishing $n$th homology for every possible homology theory, does it have vanishing $n$th homotopy?
See also: mathoverflow.net/questions/57132/… 
May 30 
comment 
Coproducts of schemes (“gluing construction”) ?
Yes, of course I meant "coproduct along the maps..." (i.e. pushout of that diagram), not the absolute coproduct. 
May 29 
revised 
Loop Spaces as Generalized Smooth spaces or as Infinite dimensional Manifolds?
edited body 
May 29 
comment 
Are curves with `fractional points' uniquely determined by their residual gerbes?
"curve with a fractional point removed"  Why "removed"? 
May 25 
comment 
Are there examples of nonorientable manifolds in nature?
1 for lack of imagination :) 
May 21 
revised 
interpolation between Bochner spaces
edited title 
May 14 
revised 
Using mirrors to make a nonconvex polygon visible from a fixed interior point
(little typo in title) 
May 7 
comment 
Action of $\mathbb{CP}^\infty$ on $U(\infty)$
I would (very naively!) have expected an action of $U(\infty)$ on $\mathbb{CP}^{\infty}$ (coming from the action of $U(n+1)$ on $\mathbb{C}^{n+1}$) rather than the other way around. Now I'm curious :) 
May 1 
comment 
Finitespace dynamical systems
But.. isn't the Frobenius the identity on points? Despite the nontriviality of the action on regular functions and on cohomology, I'm not sure this qualifies as a "finite dynamical system" for the OP.. 
May 1 
revised 
Why is there a connection between enumerative geometry and nonlinear waves?
deleted 119 characters in body 
Apr 19 
revised 
Nash's proof of De GiorgiNashMoser theorem
(spelling) 
Apr 18 
revised 
Making the identification $\tau M\approx TM\oplus (TM\odot TM)$
edited body 
Apr 14 
awarded  Good Question 
Mar 29 
asked  When does an algebraic space that is a torsor over a scheme have to be a scheme? 
Mar 24 
comment 
Which way for reading the proofs?
The OP is a master student in math, but I think the question (and the answer it gets) could be equally interesting for any mathematician 
Mar 22 
revised 
Did Grothendieck write about modular forms?
added 13 characters in body 
Mar 22 
comment 
Where is a good place to start learning about the GrothendieckTeichmuller group?
Is the word "algebroic" (perhaps related to... groupoids?) intentional or just a typo? :) 
Mar 22 
comment 
When does the sequence of iterates of a rational function converge?
By "rotation", do you mean something conjugate to $z \mapsto e^{i \theta}$ ($\theta$ irrational with $\pi$)? 