User Sanchez - Mathematics Stack Exchange

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	4,293 reputation	bio	website		visits	member for	1 year, 2 months
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64

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Best Sets of Lecture Notes and Articles

may 9 at 21:19 Andrew 1,643

17

40

votes

3

answers

892

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Paul Erdos's Two-Line Functional Analysis Proof

functional-analysis reference-request math-history

feb 15 at 4:12 zyx 10.9k

12

34

votes

3

answers

393

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The resemblance between Mordell's theorem and Dirichlet's unit theorem

number-theory algebraic-number-theory elliptic-curves arithmetic-geometry

mar 5 at 12:58 QiL'8 15.3k

17

31

votes

5

answers

783

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Studying for the Putnam Exam

big-list contest-math self-learning learning

apr 4 at 7:50 zyx 10.9k

5

22

votes

1

answer

252

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Is the Galois group associated to a random polynomial solvable with probability 0?

reference-request finite-groups galois-theory math-history solvable-groups

mar 8 at 21:41 Alexander Gruber 15.1k

14

21

votes

3

answers

359

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Intuition for the Importance of Modular Forms

number-theory intuition modular-forms

apr 10 at 7:23 Rohit Chatterjee 1

8

20

votes

2

answers

593

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How do different definitions of “degree” coincide?

algebraic-geometry algebraic-topology differential-topology riemann-surfaces

nov 23 at 15:32 Javier Álvarez 4,774

4

18

votes

0

answers

258

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What is the Picard group of $z^3=y(y^2-x^2)(x-1)$?

algebraic-geometry commutative-algebra

feb 25 at 0:29 YACP 8,940

11

17

votes

2

answers

585

views

Applications of the Jordan-Hölder Theorem.

abstract-algebra group-theory reference-request modules

apr 10 at 8:43 azimut 5,421

4

16

votes

1

answer

279

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Irreducibility of $x^{n}+x+1$

polynomials field-theory galois-theory factoring

dec 26 at 19:18 Eric♦ 33.2k

15

16

votes

3

answers

810

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Consequences of Degree Theory

reference-request algebraic-topology differential-topology

may 10 at 18:05 Asaf Karagila 90.1k

4

16

votes

0

answers

165

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Tate conjecture for Fermat varieties

algebraic-geometry representation-theory arithmetic-geometry etale-cohomology

nov 16 at 9:00 Alex 1,340

6

16

votes

2

answers

310

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Roadmap to study Atiyah-Singer index theorem

differential-geometry algebraic-topology soft-question differential-topology

feb 5 at 3:56 Eric O. Korman 7,490

11

15

votes

4

answers

690

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Advanced algebraic topology topics overview

algebraic-topology big-picture

mar 25 '12 at 4:41 Daniel Moskovich 1,766

11

14

votes

4

answers

847

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An Inequality problem relating $\prod\limits^n(1+a_i^2)$ and $\sum\limits^n a_i$

inequality

nov 17 at 5:05 y zhao 833

5

13

votes

1

answer

458

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Categorification of $\pi$?

number-theory category-theory groupoids

jan 12 at 3:20 Martin Brandenburg 22.3k

3

13

votes

1

answer

196

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Writing a group element as $ghg^{-1} h^{-1}$ and as $g^2 h^2$

abstract-algebra group-theory finite-groups representation-theory alternative-proof

may 11 at 3:15 Serkan 3,091

4

12

votes

1

answer

315

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Learning path to the proof of the Weil Conjectures and étale topology

reference-request self-learning arithmetic-geometry

nov 22 at 11:41 Javier Álvarez 4,774

4

11

votes

2

answers

134

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Different ways of representing a second cohomology class

algebraic-topology cohomology characteristic-classes

jan 18 at 13:29 Steve D 5,235

6

11

votes

1

answer

162

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What do ideles and adeles look like?

algebraic-number-theory

feb 2 at 9:14 fretty 3,868

4

11

votes

1

answer

180

views

What does the group ring $\mathbb{Z}[G]$ of a finite group know about $G$?

finite-groups representation-theory group-cohomology group-ring

apr 29 at 23:36 Alexander Konovalov 544

4

10

votes

2

answers

241

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Where do Chern classes live? $c_1(L)\in \textrm{?}$

reference-request algebraic-geometry schemes characteristic-classes

jan 26 at 20:39 Javier Álvarez 4,774

2

9

votes

2

answers

128

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Elliptic curves over Spec Z

algebraic-geometry elliptic-curves arithmetic-geometry

jan 31 at 8:20 QiL'8 15.3k

4

9

votes

1

answer

206

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Applications of Pseudodifferential Operators

analysis pde fourier-analysis differential-topology differential-operators

dec 12 at 9:59 Javier Álvarez 4,774

1

8

votes

1

answer

105

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Weil conjectures - motivation?

algebraic-geometry soft-question

dec 8 at 8:11 Thom Tyrrell 415

2

8

votes

0

answers

152

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Variety of pairs of product-zero matrices

linear-algebra algebraic-geometry

jan 13 at 9:53 YACP 8,940

6

8

votes

4

answers

119

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Examples of Monads and their Algebras

big-list examples-counterexamples adjoint monads

jan 16 at 1:41 Olivier Bégassat 3,379

3

8

votes

1

answer

134

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Why is a path-connected topological space homotopy equivalent to the classifying space of its loop space?

algebraic-topology

apr 28 at 19:03 user32240 4,846

7

8

votes

1

answer

277

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Undergraduate roadmap for Langlands program and its geometric counterpart

number-theory reference-request algebraic-geometry representation-theory automorphic-forms

feb 19 at 2:45 Orest Xherija 425

3

7

votes

2

answers

120

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What's the point of spectra?

algebraic-topology homotopy-theory cohomology homology stable-homotopy-theory

may 11 at 17:46 redfiloux 346

Sanchez

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