Ch Zh

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visits	member for	2 years, 9 months
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10 Questions

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9	Why the terminology “monoid”?
6	Zorn's lemma in abstract algebra?
5	algebraic curves with negative (arithmetic) genus?
5	Tensor product and compositum of fields
4	Do the algebraic and geometric multiplicities determine the minimal polynomial?

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532 Reputation

+5	Zorn's lemma in abstract algebra?
+10	Why the terminology “monoid”?
+5	algebraic curves with negative (arithmetic) genus?
+5	When does the virtual cohomological dimension become a numerical invariant?

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5 Answers

votes activity newest

5	Coordinate ring of general linear group
3	The $p$-adic integers as a profinite group
3	What are the units of cyclotomic integers?
2	Blow-up along an ideal sheaf
1	Proving no anti-automorphisms exist in this matrix ring.

20 Tags

7 algebraic-geometry × 7	3 group-theory
6 number-theory × 2	2 blowup
4 abstract-algebra × 5	2 graded-modules
3 algebraic-number-theory	1 ring-theory
3 p-adic-number-theory	0 commutative-algebra × 2

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$Mathematics Stack Exchange$	Mathematics	532 rep	38
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