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comment How to show that a delta function solution to a PDE (Fokker-Planck) is really a solution
I'm a little confused here. $\alpha - \alpha(t)$... so one is a constant, one is a function of $t$, but both have the same symbol?
Aug
20
awarded  Yearling
Aug
12
accepted Getting a “straight” in dice rolls
Aug
12
answered A GRE Geometry Question
Aug
10
comment Holder Gradient Estimate for Linear Equation
Thank you. The rest of the thread is indeed interesting.
Aug
10
accepted Holder Gradient Estimate for Linear Equation
Aug
7
comment Show that there cannot be an entire function F such that F(x)=1−exp(2πi/x)
What part of the answer doesn't make sense?
Aug
6
asked Holder Gradient Estimate for Linear Equation
Jul
30
comment Cauchy-Riemann and Analytic Functions
@LuisArmando If a function is analytic, then it must satisfy the Cauchy-Riemann equations. Since the Cauchy Riemann equations are not satisfied, it can't be analytic.
Jul
30
answered Cauchy-Riemann and Analytic Functions
Jul
18
comment Differential equation by separation of variables
We are not going to complete your homework for you.
Jul
15
comment If $f_{n}\rightharpoonup \bar{f}$ and $f_{n}(x) \rightarrow f(x)$ pointwise a.e., then is $\bar{f} = f$ a.e.?
Hint : Do you know Egorov's Theorem?
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
Jun
12
comment Sobolev spaces and Holder continuity (or, fractional derivatives and singularities)
For the second case : $\sqrt{x}$ is holder continuous with $\alpha = \frac{1}{2}$, but the function is not $H^1$.
Jun
4
answered Question on surjectivity, involving a function and its derivative
Jun
4
awarded  Nice Question
Jun
4
asked Getting a “straight” in dice rolls
May
15
awarded  Notable Question
May
9
comment How large can the internet be?
I'm not sure this is a math question?