User David Lehavi

32 votes

Examples of mathematics motivated by technological considerations

answered Nov 23, 2009 at 6:57

32 votes

Useless math that became useful

answered Jan 16, 2013 at 1:33

27 votes

Fundamental Examples

answered Nov 11, 2009 at 9:48

18 votes

Hironaka desingularisation theorem -- new proofs in literature?

answered Nov 8, 2009 at 9:32

16 votes

Are there any books that take a 'theorems as problems' approach?

answered Jan 24, 2010 at 19:28

15 votes

Accepted

When is a scheme a zero-set of a section of a vector bundle?

answered Oct 21, 2009 at 9:44

13 votes

Accepted

Moduli space of K3 surfaces

answered Feb 21, 2010 at 22:14

13 votes

Algebraic proof of 4-colour theorem?

answered Mar 24, 2010 at 22:08

13 votes

introductory book on spectral sequences

answered Apr 22, 2010 at 15:52

12 votes

Computer algebra errors

answered Jan 12, 2010 at 13:09

12 votes

Accepted

Moduli spaces of complex curves as algebraic varieties

answered Oct 20, 2009 at 21:50

11 votes

Proofs without words

answered Dec 14, 2009 at 7:05

11 votes

What's a great christmas present for someone with a PhD in Mathematics?

answered Dec 12, 2020 at 8:09

11 votes

Any shortcuts to understanding the properties of the Riemannian manifolds which are used in the books on algebraic topology

answered Jan 6, 2021 at 9:11

10 votes

Alternative undergraduate analysis texts

answered Dec 31, 2009 at 17:47

10 votes

Italian school of algebraic geometry and rigorous proofs

answered Mar 7, 2010 at 6:22

9 votes

Computing fundamental groups and singular cohomology of projective varieties

answered Feb 14, 2010 at 13:54

9 votes

What are some results in mathematics that have snappy proofs using model theory?

answered Dec 24, 2009 at 10:33

9 votes

Etale cohomology -- Why study it?

answered Nov 19, 2009 at 8:27

8 votes

Why is a variety of general type hyperbolic?

answered Dec 5, 2009 at 21:23

8 votes

Introductory text for the non-arithmetic moduli of elliptic curves

answered Jan 19, 2010 at 6:17

8 votes

Are there elementary-school curricula that capture the joy of mathematics?

answered Nov 11, 2009 at 18:06

8 votes

Accepted

K3 over fields other than C?

answered Oct 19, 2009 at 22:10

8 votes

Great mathematical figures and/or diagrams?

answered Oct 28, 2009 at 8:02

7 votes

The importance of EGA and SGA for "students of today"

answered Oct 28, 2009 at 15:32

7 votes

Use of n-transitivity in finite group theory

answered Oct 24, 2009 at 13:21

7 votes

Riemann surfaces: explicit algebraic equations

answered Dec 6, 2009 at 13:54

7 votes

Accepted

Approximately known matrix

answered Dec 9, 2009 at 10:04

7 votes

Notable math from those without math PhDs

answered Sep 4, 2011 at 6:14

6 votes

How to draw knots with LaTeX?

answered Apr 15, 2010 at 8:48

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109 Answers

Examples of mathematics motivated by technological considerations

Useless math that became useful

Fundamental Examples

Hironaka desingularisation theorem -- new proofs in literature?

Are there any books that take a 'theorems as problems' approach?

When is a scheme a zero-set of a section of a vector bundle?

Moduli space of K3 surfaces

Algebraic proof of 4-colour theorem?

introductory book on spectral sequences

Computer algebra errors

Moduli spaces of complex curves as algebraic varieties

Proofs without words

What's a great christmas present for someone with a PhD in Mathematics?

Any shortcuts to understanding the properties of the Riemannian manifolds which are used in the books on algebraic topology

Alternative undergraduate analysis texts

Italian school of algebraic geometry and rigorous proofs

Computing fundamental groups and singular cohomology of projective varieties

What are some results in mathematics that have snappy proofs using model theory?

Etale cohomology -- Why study it?

Why is a variety of general type hyperbolic?

Introductory text for the non-arithmetic moduli of elliptic curves

Are there elementary-school curricula that capture the joy of mathematics?

K3 over fields other than C?

Great mathematical figures and/or diagrams?

The importance of EGA and SGA for "students of today"

Use of n-transitivity in finite group theory

Riemann surfaces: explicit algebraic equations

Approximately known matrix

Notable math from those without math PhDs

How to draw knots with LaTeX?