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Results tagged with ac.commutative-algebra
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user 39178
Commutative rings, modules, ideals, homological algebra, computational aspects, invariant theory, connections to algebraic geometry and combinatorics.
5
votes
1
answer
757
views
Is the ring of power series with coefficients in a field free as a module over the polynomia... [closed]
Is the ring of power series with coefficients in a field free as a module over the polynomials subring?
- 145
1
vote
1
answer
319
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Uniqueness of a closed subscheme in a disjoint union
Let $Z =C \cup F$ be a disjoint scheme union of closed subschemes of Pn.
Let $p_C$ be the Hilbert polynomial;
assume
(1) $F$ finite, reduced,
(2) all irreducible components of $C$ are positive dime …
- 145