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Aki

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visits member for 1 year, 8 months
seen Feb 12 at 13:43
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182 reputation
 bio website visits member for 1 year, 8 months
5 badges
 location seen Feb 12 at 13:43
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Extension of Homomorphisms (Lang, Atiyah and McDonald)

abstract-algebra commutative-algebra field-theory
aug 14 at 16:41 Makoto Kato 11.6k
2
6
votes
2
answers
145
views

Proposition 5.21 in Atiyah-MacDonald

abstract-algebra commutative-algebra
aug 3 at 19:55 Makoto Kato 11.6k
2
4
votes
1
answer
229
views

Does this “extension property” for polynomial rings satisfy a universal property?

commutative-algebra ring-theory category-theory
sep 26 '11 at 4:38 Community♦ 1
1
3
votes
1
answer
85
views

Trouble understanding open sets in ℝ

real-analysis
dec 7 at 3:42 Community♦ 1
2
2
votes
1
answer
58
views

Extending $\phi: A \rightarrow \Omega$ to $A[x] \rightarrow \Omega$ where $A$ is integral domain and $x$ transcendental over $A$

abstract-algebra commutative-algebra field-theory
aug 13 at 17:05 paul garrett 10.9k
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