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Jun
28
reviewed Approve Why doesn't L'Hopital's rule work in this case?
Jun
28
reviewed Approve Derived subgroup of $S_n$ and $D_n$
Jun
28
reviewed Reject Proving that the solution set of $f=0$ is the union of two regular curves.
Jun
25
reviewed Approve Explain proof of sum equivalence
Jun
25
reviewed Approve Pade Approximation for arctan(x)
Jun
25
reviewed Approve Need help with solving a nonlinear differential equation
Jun
25
reviewed Approve How to derive the formula for the sum of the first $n$ perfect squares?
Jun
21
revised $C_c(X)$ is dense in $C_0(X)$
added 3 characters in body
Jun
19
reviewed Reject How do you make the number 43 using all of these numbers:7,7,6,5
Jun
17
reviewed Reject Discriminant of Polynomials (Galois Theory)
Jun
9
reviewed Reject What three odd integers have a sum of 30?
Jun
9
reviewed Approve For what value of $\alpha$ is the limit $\lim{x\to 0} \frac{\arctan(x) \cdot \log(\sin(x)) - x \cdot \log(x) }{x^\alpha}$ finite and non-zero?
Jun
9
reviewed Edit What to do when the second derivative test fails?
Jun
9
revised What to do when the second derivative test fails?
some beautiful changes, modestly
Jun
7
comment How do I show that the following is a basis for the weak topology on $X$?
Maybe you'll find this thread useful: math.stackexchange.com/questions/305808/…
Jun
7
comment How do I show that the following is a basis for the weak topology on $X$?
What is $p$ and what do you mean by that set being a semi-norm?
Jun
7
comment How do I show that the following is a basis for the weak topology on $X$?
Isn't this the definition of the weak topology? What is your definition?
Jun
7
answered When is the series converges?
Jun
7
comment When is the series converges?
Remember to include the absolute values inside the root.
Jun
7
comment Is this a metric on the shift space?
Did you check the axioms of a metric space, or what makes you "think" yes? Is there some particular part that puzzles you?