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Dec
18
revised how to compute this complex integral with high order polynomial?
added 104 characters in body
Dec
18
revised A faster way of calculating this determinant?
added 7 characters in body
Dec
18
comment Composition of a Dirac delta and a function in higher dimensions
At least in English, "pole" is generally synonymous with "singularity" not "zero".
Dec
18
comment Composition of a Dirac delta and a function in higher dimensions
Do you mean to write "zeroes" instead of "poles"? (Also, this is a great question!)
Dec
17
comment Is any open subset of $\mathbb{R}^{n}$ homeomorphic to $\mathbb{R}^{n}$?
@mapierce271: For $n>1$, $\Bbb{R}^n$ with a point deleted is open, connected, and not homeomorphic to $\Bbb{R}^n$. You need some stronger condition...
Dec
17
reviewed Looks OK A plan to defeat a betting game where the odds of winning are 50/50. Help me understand why it's flawed.
Dec
17
answered A faster way of calculating this determinant?
Dec
17
reviewed Approve Proof by Contradiction on prime numbers
Dec
17
reviewed Leave Open How to select the right books?
Dec
17
reviewed Close maximal ideal problem
Dec
17
reviewed Leave Open Source of Hardy-Littlewood's 2nd Conjecture
Dec
17
reviewed Close What means $A \subsetneq X$ with A ~ X?
Dec
17
reviewed Close circle of convergence
Dec
17
reviewed Close Hermitian Matrix M(x) is continuous on x. Is its eigenvalue also continuous on x?
Dec
17
reviewed Close When is the $n$th term sufficient to guarantee convergence of a series
Dec
17
reviewed Leave Open What is the highest number that could be written down in principle using all computers in the world?
Dec
17
reviewed Close Finding $\int { \exp\left(\frac { -\gamma { r }^{ 2 } }{ 2 } \right) } \exp\left(-ik \cdot r\right) { d }^{ 3 }r$
Dec
17
reviewed Leave Open The 'Unlock All Digits' Game
Dec
17
reviewed Close How do I prove that $x^2 ≡ 3 \mod4$ has no solutions?
Dec
17
reviewed Close Understanding infinity