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May
18
comment How prove that question
Approximate the square root and show this number is between the squares of the floor and ceiling of the approximation. Or, show that the prime factorization contains an odd power. Or...
May
16
comment Can a 18 year old high school student publish a paper?
Perhaps a better fit for Academia?
May
15
comment What is the value of $i^0$?
@MartinBrandenburg I voted this down because of the insistence that both $0^0=1$ and that no disagreement is reasonable. If this answer were edited to recognize that some people disagree (so that people aren't surprised when their math teacher says "$0^0\neq 1$"), I would change my downvote to an upvote. (Even if the edit were to say something like "certain people do not consider $0^0=1$, but this doesn't make sense because of [reasons].")
May
14
reviewed No Action Needed Is the convolution an invertible operation?
May
14
comment normal subgroup in $S_3$?
You should test this by hand; there aren't too many multiplications to perform.
May
14
reviewed Looks OK How did they solve this partial differential equation
May
14
comment How did they solve this partial differential equation
Link works for me.
May
14
reviewed Leave Closed How to calculate probability of dice rolls
May
12
reviewed Leave Closed connection between $n$-th root of a number and n raised to the power of that number?
May
12
reviewed No Action Needed How the dual LP solves the primal LP
May
12
reviewed Close Find a sigma algebra
May
12
reviewed Reopen Determinant properties
May
12
reviewed Looks OK Find the value of this sum.
May
12
reviewed Looks OK Are there compact manifolds without boundary?
May
12
comment Irreducible quadratic “within” reducible quadratic
yes, but the prior text was written so inline text made sense. Rewording and re-TeX-ing simply to move $ -> {equation*} is unnecessary at best.
May
12
reviewed Leave Closed Translate this proof from German to English
May
12
reviewed Close Computing tensor products of $\mathbb{Z}$-modules.
May
12
reviewed Close For a group ring, finding if a subset is an ideal.
May
12
reviewed Close Is it ill-advised to read books casually for entertainment?
May
12
reviewed Close Mathematical Thinking - How does it work?