Kevin H. Lin

New York, NY

I finished my PhD in Mathematics at UC Berkeley in December 2012. I'm currently employed by Google as a software engineer, working on machine learning and natural language processing.

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Dashes: - vs. – vs. —

punctuation typography asked Oct 6, 2010 at 16:28

tex.stackexchange.com

72 votes

How should one present curl and divergence in an undergraduate multivariable calculus class?

dg.differential-geometry big-list mathematics-education asked Apr 19, 2010 at 19:58

mathoverflow.net

59 votes

Non-commutative algebraic geometry

ag.algebraic-geometry noncommutative-geometry asked Dec 5, 2009 at 22:53

mathoverflow.net

52 votes

Applications of Grothendieck-Riemann-Roch?

reference-request ag.algebraic-geometry kt.k-theory-homology asked Oct 27, 2010 at 7:25

mathoverflow.net

49 votes

Definition of "simplicial complex"

at.algebraic-topology asked Nov 20, 2009 at 16:40

mathoverflow.net

43 votes

What is Chern-Simons theory?

chern-simons-theory quantum-field-theory tqft mp.mathematical-physics asked Oct 31, 2009 at 1:12

mathoverflow.net

39 votes

What is a deformation of a category?

deformation-theory ct.category-theory derived-category dg-algebras ag.algebraic-geometry asked Nov 13, 2009 at 14:59

mathoverflow.net

39 votes

Simplicial objects

derived-category simplicial-stuff at.algebraic-topology asked Oct 16, 2009 at 1:17

mathoverflow.net

37 votes

Why should algebraic objects have naturally associated topological spaces? (Formerly: What is a topological space?)

gn.general-topology ag.algebraic-geometry noncommutative-geometry oa.operator-algebras asked Feb 8, 2010 at 11:42

mathoverflow.net

35 votes

Computing fundamental groups and singular cohomology of projective varieties

ag.algebraic-geometry at.algebraic-topology asked Feb 12, 2010 at 8:29

mathoverflow.net

Top Answers

101

Best algebraic geometry textbook? (other than Hartshorne)

mathoverflow.net

Most interesting mathematics mistake?

mathoverflow.net

Geometric meaning of the Euler sequence on $\mathbb{P}^n$ (Example 8.20.1 in Ch II of Hartshorne)

mathoverflow.net

Heuristic behind the Fourier-Mukai transform

mathoverflow.net

Ways to prove the fundamental theorem of algebra

mathoverflow.net

d3 ticks only shows Sundays:

stackoverflow.com

Fundamental Examples

mathoverflow.net

Mathematicians who were late learners?-list

mathoverflow.net

What are some applications of other fields to mathematics?

mathoverflow.net

How to prove and interpret $\operatorname{rank}(AB) \leq \operatorname{min}(\operatorname{rank}(A), \operatorname{rank}(B))$?

math.stackexchange.com

Matrix factorizations and physics

mathoverflow.net

Nice proof of the Jordan curve theorem?

mathoverflow.net

Meaning of relative homology

math.stackexchange.com

What is 'formal' ?

mathoverflow.net

Why is it useful to study vector bundles?

mathoverflow.net

Motivating Example for Algebraic Geometry/Scheme Theory

math.stackexchange.com

Why torsion is important in (co)homology ?

mathoverflow.net

What is (co)homology, and how does a beginner gain intuition about it?

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What is the first interesting theorem in (insert subject here)?

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What should be learned in a first serious schemes course?

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GAGA and Chern classes

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Good books and lecture notes about category theory.

math.stackexchange.com

A single paper everyone should read?

mathoverflow.net

What should be learned in a first serious schemes course?

mathoverflow.net

Doing geometry using Feynman Path Integral?

mathoverflow.net

What are some examples of colorful language in serious mathematics papers?

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Never appeared forthcoming papers

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Picard-Fuchs equations

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Proving Hodge decomposition without using the theory of elliptic operators?

mathoverflow.net

Origins of Mathematical Symbols/Names

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