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Aug
3
reviewed Looks OK Why does the surface area of the hypersphere go to zero as the number of dimensions goes to infinity?
Jul
28
awarded  limits
Jul
26
reviewed Close What are the topics that must be covered in a beginning graph theory course?
Jul
26
reviewed Close Continuity of translation property
Jul
26
reviewed Leave Open Given $\tan A + \tan B = 3x$ and $\tan A \tan B = 2x^2$, find $\tan A - \tan B$
Jul
26
reviewed Close co-ordinate geometry question 3
Jul
26
reviewed Leave Open Exponential map only for matrix Lie algebras?
Jul
26
reviewed Close Suppose that $A$ be a square, invertible matrix such that $A^{4} = A$. Find all real eigenvalues of $A$.
Jul
26
reviewed Leave Open polynomial of fifth degree
Jul
26
reviewed Close If $\det(A)=0$, must the null space of $A$ be zero?
Jul
26
reviewed Leave Open Integration problem with $e$ and $\ln$
Jul
26
reviewed Close Lie algebra affine transformations
Jul
26
reviewed Leave Open probability distribution of Complex Gaussian column vector and conditional probability of complex Gaussian column vector
Jul
26
reviewed Looks OK Number of divisors of the form $(4n+1)$
Jul
26
answered Crazy and difficult Limits and integration
Jul
26
comment How to calculate $\lim \limits_{x \to 0^{+}} (\sin x)^{e^{x}-1} $ with Taylor series?
I would really like some explanation about why this answer deserves two downvotes.
Jul
26
revised How to calculate $\lim \limits_{x \to 0^{+}} (\sin x)^{e^{x}-1} $ with Taylor series?
added 83 characters in body
Jul
26
comment Is it always possible to converge from an integer to another integer?
@YvesDaoust: A sequence of real numbers is a function $\Bbb N \to \Bbb R$. If you prefer continuous variable, it is easy to adapt Arthur's answer.
Jul
26
comment Sum of all integers
As explained in the answers, there are several methods of summation. This particular method corresponds to the Cauchy principal value.
Jul
25
revised Question concerning the group over GL$(n,\mathbb{Z})$
added 717 characters in body