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17h
comment Help with rearranging a large polynomial
The numerator factors as $(ax - by)(ay - bx)$ but I don't think it's possible to factor it as a product of a polynomial in $x$ and a polynomial in $y$.
17h
revised Is this elementary proof of fundamental theorem of algebra correct?
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17h
revised Is this elementary proof of fundamental theorem of algebra correct?
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18h
revised Question about a proof in Clapp's paper, “On the number of positive symmetric solutions of a nonautonomous semilinear elliptic problem”
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19h
revised Is $\mathbb{Z}$ equipped with the discrete topology in this excerpt from Munkres' book?
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1d
awarded  Good Answer
1d
revised If I have a function that's continuous and it's limits at $\pm \infty$ are $\pm \infty$ is it surjective?
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1d
revised Is it possible to factor a quadratic equation when $a$, $b$, and $c$ are all equal?
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1d
answered Is it possible to factor a quadratic equation when $a$, $b$, and $c$ are all equal?
1d
awarded  Enlightened
1d
revised Two disjoint number fields $K$, $L$ such that $(\mathrm{disc}({\cal O}_K), \mathrm{disc}({\cal O}_L))\neq 1$ but ${\cal O}_L{\cal O}_K={\cal O}_{KL}$
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2d
revised On the series $\sum_{n=1}^{\infty} (H_{n}+\exp(H_{n})\log(H_{n}))/n^{s}$, where $H_{n}$ is the $n$th harmonic number
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2d
revised Partition of a group such that an operation can be defined
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2d
revised The number $\sum\limits_{n=-\infty}^{\infty} \frac{1}{2^{n^2}}$ is transcendental
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2d
answered Extending a Field Monomorphism
2d
revised Extending a Field Monomorphism
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2d
revised Extending a Field Monomorphism
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2d
awarded  Popular Question
Aug
2
comment coordination questions 123
It's urgent that you explain what you have tried already. Do you understand the question at all? What do you need help with specifically?
Aug
2
revised Find the number $n^{2}$ from the number $n^{n^{n^{2}}}$
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