User Beltrame

69 votes

6 answers

20k views

Chance of meeting in a bar

asked Jan 27, 2012 at 17:11

35 votes

5 answers

8k views

use of $\sum $ for uncountable indexing set

real-analysis analysis summation notation convention

asked Feb 5, 2012 at 21:18

21 votes

6 answers

2k views

Implication and Interpretation of Banach Tarski

geometry soft-question logic set-theory axiom-of-choice

asked Jan 30, 2012 at 22:28

10 votes

6 answers

459 views

Examples of global properties that don't arise from local knowledge

differential-geometry algebraic-topology differential-topology riemannian-geometry

asked Feb 9, 2016 at 14:22

9 votes

2 answers

292 views

Good hygiene in using quantifiers

notation soft-question predicate-logic quantifiers convention

asked Feb 8, 2012 at 0:53

8 votes

1 answer

554 views

Showing $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$ using complex integration

complex-analysis analysis integration

asked Oct 24, 2012 at 0:04

7 votes

2 answers

2k views

Continuity of the Characteristic Function of a RV

probability analysis probability-theory fourier-analysis convergence-divergence

asked Feb 12, 2012 at 22:06

6 votes

6 answers

1k views

Sleeping Mathematician (Sleeping Beauty)

probability soft-question probability-theory

asked Jan 28, 2012 at 19:51

6 votes

3 answers

5k views

Showing diffeomorphism between $S^1 \subset \mathbb{R}^2$ and $\mathbb{RP}^1$

differential-geometry manifolds

asked Feb 9, 2013 at 20:05

6 votes

4 answers

431 views

introductory reference for Hopf Fibrations

reference-request algebraic-topology homotopy-theory vector-bundles

asked Apr 23, 2013 at 19:39

5 votes

2 answers

6k views

Interpretation of {Infinitely Often} = {Almost Always}

elementary-set-theory limits limsup-and-liminf

asked Jan 22, 2012 at 22:55

4 votes

1 answer

3k views

How to prove this relation between Ramsey Numbers: $R(s, t) ≤ R(s, t-1) + R(s-1, t)$ for $s,t>2$

inequality graph-theory ramsey-theory

asked Jan 23, 2012 at 23:53

4 votes

2 answers

1k views

Universal Hashing

computer-science hash-function

asked Jan 27, 2012 at 21:38

4 votes

3 answers

210 views

elementary question regarding differential forms

differential-geometry manifolds differential-forms exterior-algebra

asked Sep 21, 2012 at 20:07

4 votes

1 answer

346 views

Completing $\Bbb R$ when some "divergent" sequences are Cauchy sequences

real-analysis sequences-and-series analysis metric-spaces

asked Oct 3, 2012 at 17:28

4 votes

0 answers

124 views

a simpler proof for an inequality in probability [duplicate]

probability probability-theory inequality

asked May 2, 2013 at 12:53

4 votes

1 answer

281 views

Strong convergence of multiplication operator

analysis functional-analysis convergence-divergence operator-theory

asked Feb 23, 2013 at 18:51

4 votes

3 answers

397 views

participation in 1st year introductory pure maths classes

soft-question education advice

asked Dec 8, 2012 at 14:44

3 votes

2 answers

77 views

computing with unitary matrices

linear-algebra matrices

asked Dec 31, 2012 at 13:27

3 votes

2 answers

98 views

Is any smooth deformation of a metric in dimension 1 conformal?

differential-geometry riemannian-geometry conformal-geometry

asked Feb 1, 2016 at 12:22

3 votes

1 answer

731 views

Reference request for Optimal Stopping (Stochastic Analysis)

reference-request stochastic-processes stochastic-analysis

asked Feb 28, 2012 at 23:18

3 votes

2 answers

3k views

extending bipartite Graphs to regular bipartite Graphs

combinatorics graph-theory discrete-mathematics

asked Feb 14, 2012 at 21:07

3 votes

2 answers

759 views

Traditional Marriage GS female pessimality

graph-theory algorithms discrete-mathematics

asked Feb 6, 2012 at 23:12

3 votes

1 answer

910 views

Perfect Hash Function just an Injection?

algorithms functions computer-science definition

asked Jan 27, 2012 at 14:26

2 votes

0 answers

126 views

Alternative way of showing convergence of central moments

probability probability-theory convergence-divergence

asked Jan 25, 2012 at 22:30

2 votes

1 answer

1k views

Convergence in Probability of $\frac{1}{n} \sum^n (X_i - \bar{X})^q \to E((X-EX)^q) $

probability probability-theory

asked Jan 30, 2012 at 19:39

2 votes

1 answer

207 views

P-adic "Norm" and scalability criterion

real-analysis analysis normed-spaces

asked Jan 30, 2012 at 19:49

2 votes

2 answers

412 views

Organising a Tournament

combinatorics algorithms soft-question graph-theory discrete-mathematics

asked Feb 2, 2012 at 19:06

2 votes

1 answer

3k views

Existence of Vertex Ordering in Greedy Algorithm to get "optimal" colouring

algorithms graph-theory discrete-mathematics

asked Feb 7, 2012 at 15:32

2 votes

1 answer

1k views

properties of the Greedy Algorithm (Graph Colouring)

algorithms graph-theory discrete-mathematics

asked Feb 7, 2012 at 23:18

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52 Questions

Chance of meeting in a bar

use of $\sum $ for uncountable indexing set

Implication and Interpretation of Banach Tarski

Examples of global properties that don't arise from local knowledge

Good hygiene in using quantifiers

Showing $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$ using complex integration

Continuity of the Characteristic Function of a RV

Sleeping Mathematician (Sleeping Beauty)

Showing diffeomorphism between $S^1 \subset \mathbb{R}^2$ and $\mathbb{RP}^1$

introductory reference for Hopf Fibrations

Interpretation of {Infinitely Often} = {Almost Always}

How to prove this relation between Ramsey Numbers: $R(s, t) ≤ R(s, t-1) + R(s-1, t)$ for $s,t>2$

Universal Hashing

elementary question regarding differential forms

Completing $\Bbb R$ when some "divergent" sequences are Cauchy sequences

a simpler proof for an inequality in probability [duplicate]

Strong convergence of multiplication operator

participation in 1st year introductory pure maths classes

computing with unitary matrices

Is any smooth deformation of a metric in dimension 1 conformal?

Reference request for Optimal Stopping (Stochastic Analysis)

extending bipartite Graphs to regular bipartite Graphs

Traditional Marriage GS female pessimality

Perfect Hash Function just an Injection?

Alternative way of showing convergence of central moments

Convergence in Probability of $\frac{1}{n} \sum^n (X_i - \bar{X})^q \to E((X-EX)^q) $

P-adic "Norm" and scalability criterion

Organising a Tournament

Existence of Vertex Ordering in Greedy Algorithm to get "optimal" colouring

properties of the Greedy Algorithm (Graph Colouring)