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1
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Early illustrations of topological notions in published work
See page 9 and 10 of Riemann’s 1857 paper on abelian functions (where he introduced Riemann surfaces): https://www.maths.tcd.ie/pub/HistMath/People/Riemann/AbelFn/AbelFn.pdf
I believe the illustratio …
4
votes
1
answer
183
views
Jacobian criterion for Zariski cotangent space over arbitrary field (X-post from SE)
I apologize as I am certain this is not research-level, but several days have gone by without an answer on stackexchange (https://math.stackexchange.com/questions/4724245/jacobian-criterion-for-zarisk …
7
votes
1
answer
261
views
Explicit equations for the universal vector extension of an elliptic curve
The universal vector extension $E$ of an abelian variety $A$ is an algebraic group, an extension of $A$ by a vector group $0 \to V \to E \to A \to 0$, such that any other extension of $A$ by a vector …
0
votes
1
answer
112
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Statistics of action of Galois group of number field on primes over unramified rational primes
Let $p \in \mathbb{Z}$ be prime and $K / \mathbb{Q}$ be a finite Galois extension. The Galois group $G$ of $K$ acts on the primes of $\mathcal{O}_K$ over $p$. Do we know any statistical information ab …
3
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0
answers
178
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Wondering if Monsky-Washnitzer ever published a result claimed to be forthcoming in a later ...
At the very end of the paper Formal Cohomology I by Monsky and Washnitzer, they write the following:
"In some sense, the operator $\psi$ applied to a power series gives it "better
growth conditions". …
0
votes
0
answers
79
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Potential typo in "Complete Systems of Two Addition Laws for Elliptic Curves" by Bosma and L...
Here is a link to the article: https://www.sciencedirect.com/science/article/pii/S0022314X85710888?ref=cra_js_challenge&fr=RR-1.
Pages 237-238 give polynomial expressions $X_3^{(2)}, Y_3^{(2)}, Z_3^{( …