Graham

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Name	Graham
Member for	5 months
Seen	4 hours ago
Website	leuschke.org
Location	Syracuse
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Limit of a series of singularities

ac.commutative-algebra singularity-theory ag.algebraic-geometry

feb 7 at 13:06 Graham 1,047●1●11

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7

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4

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313

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Two-dimensional quotient singularities are rational: why?

ag.algebraic-geometry ac.commutative-algebra

dec 21 at 15:45 VA 2,599●4●16

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5

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An algebraic proof of Mumford’s smoothness criterion for surfaces?

gt.geometric-topology at.algebraic-topology ac.commutative-algebra ag.algebraic-geometry

feb 9 at 17:21 Graham 1,047●1●11

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Answers

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Irreducibility of polynomials in two variables

Your favorite surprising connections in Mathematics

How to think about CM rings?

Matrix factorizations and physics

Simple example of a ring which is normal but not CM

What does a projective resolution mean geometrically?

When are dual modules free?

The finite subgroups of SL(2,C)

Hironaka desingularisation theorem — new proofs in literature?

R2 and S3 for rings.

sum of radical ideals

Differences between reflexives and projectives modules

An algebraic proof of Mumford’s smoothness criterion for surfaces?

Have people successfully worked with the full ring of diferential operators in characteristic p?

Some intuition behind the five lemma?

What can I say for free about a module with dominant dimension 2 (other than the double centralizer property)?

Which journals publish expository work?

Trace map attached to a finite homomorphism of noetherian rings

Mathematical podcasts/audio

Generalizing miracle flatness (Matsumura 23.1) via finite Tor-dimension (2)

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