Dylan Wilson

Cambridge, MA, USA

http://www.math.harvard.edu/~dwilson/

top accounts reputation activity subscriptions

Counterexamples in algebra?

soft-question big-list counterexamples asked Jun 21, 2010 at 23:10

mathoverflow.net

125 votes

Spectral sequences: opening the black box slowly with an example

spectral-sequences homological-algebra at.algebraic-topology asked Nov 6, 2010 at 6:33

mathoverflow.net

124 votes

When and how is it appropriate for an undergraduate to email a professor out of the blue?

soft-question sociology-of-math asked Aug 4, 2010 at 18:19

mathoverflow.net

40 votes

Pre-triangulated category that isn't triangulated

ct.category-theory triangulated-categories reference-request asked Jul 14, 2010 at 8:30

mathoverflow.net

34 votes

Early stabilization in the homotopy groups of spheres

stable-homotopy reference-request at.algebraic-topology asked Dec 26, 2010 at 22:23

mathoverflow.net

25 votes

Strict applications of deformation theory in which to dip one's toe

deformation-theory ag.algebraic-geometry reference-request soft-question asked Jun 20, 2013 at 4:18

mathoverflow.net

23 votes

A Way to make the following "proof" of the Hairy Ball Theorem rigorous?

algebraic-topology differential-geometry asked May 10, 2011 at 0:55

math.stackexchange.com

21 votes

Why does every 7-manifold bound an 8-manifold?

algebraic-topology asked Jan 19, 2011 at 7:40

math.stackexchange.com

21 votes

Prime ideals in the ring of germs of continuous functions

ac.commutative-algebra real-analysis asked Nov 15, 2011 at 22:36

mathoverflow.net

19 votes

Mazur secret Bourbaki report "Analyse p-adique"

ag.algebraic-geometry nt.number-theory reference-request asked Feb 7, 2015 at 18:05

mathoverflow.net

Top Answers

Motivation of stable homotopy theory

math.stackexchange.com

Why in an inconsistent axiom system every statement is true? (For Dummies)

math.stackexchange.com

Proofs that require fundamentally new ways of thinking

mathoverflow.net

Good books and lecture notes about category theory.

math.stackexchange.com

Abelian category equivalent to a non-abelian category

mathoverflow.net

What is the symmetric monoidal structure on the $(\infty,1)$-category of spectra?

mathoverflow.net

Are functor categories with triangulated codomains themselves triangulated?

mathoverflow.net

Example of a manifold which is not a homogeneous space of any Lie group

mathoverflow.net

Books you would like to read (if somebody would just write them…)

mathoverflow.net

revisiting $THH(\mathbb{F}_p)$

mathoverflow.net

compact-open topology

mathoverflow.net

Intuition behind homology with general coefficients

math.stackexchange.com

Stable infinity categories vs dg-categories

mathoverflow.net

Is there a generalization of homotopy groups to fractional dimensions

mathoverflow.net

Do we still need models of spectra other than the $\infty$-category $\mathrm{Sp}$?

mathoverflow.net

Why is there no compact manifold without boundary with the following homology groups?

math.stackexchange.com

Meaning of relative homology

math.stackexchange.com

Does Spin cobordism vanish in dimension $4k-1$?

mathoverflow.net

Complex hypersurface in complex projective space

mathoverflow.net

Equivalent definitions of Thom spectra

mathoverflow.net

Local homeomorphisms which are not covering map?

math.stackexchange.com

About a letter by Richard Palais of 1965.

mathoverflow.net

Why do we use the smash product in the category of based topological spaces?

math.stackexchange.com

Orientable with respect to complex cobordism?

mathoverflow.net

Does an H-space have at most one delooping?

mathoverflow.net

Deformation of a diagram preserve the homotopy limit

mathoverflow.net

Obstructions for $E_n$-algebras

mathoverflow.net

Slick ways to make annoying verifications

mathoverflow.net

Calculating limits progressively

mathoverflow.net

The (fiber of the) cofiber of the fiber of a map of spaces

mathoverflow.net