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11

28

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4

answers

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$n$th derivative of $e^{1/x}$

sep 29 '11 at 13:42 J. M. 38.9k

4

votes

2

answers

705

views

Factorial Moment of the Geometric Distribution

probability probability-distributions factorial

may 10 '11 at 13:22 André Nicolas 161k

4

19

votes

2

answers

557

views

Global invertibility of a map $\mathbb{R}^n\to \mathbb{R}^n$ from everywhere local invertibility

calculus real-analysis analysis

oct 29 '11 at 18:29 Bruno Stonek 3,133

7

18

votes

1

answer

511

views

Interesting integral formula

real-analysis integral integration

jun 12 '11 at 16:47 Community♦ 1

1

vote

1

answer

473

views

Unit sphere compactness in a metric space

functions metric-spaces

nov 28 '10 at 13:55 Listing 7,581

1

5

votes

1

answer

446

views

Is a uniformly continuous function vanishing at $0$ bounded by $a|x|+c$?

real-analysis homework analysis

nov 8 '11 at 0:46 t.b. 43.1k

3

18

votes

2

answers

398

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Connecting a $n, n$ point grid

geometry graph-theory puzzle

feb 14 '11 at 22:26 Eric 33.3k

4

votes

2

answers

354

views

Solving a tough limit

real-analysis limit

feb 21 '12 at 22:00 Listing 7,581

5

12

votes

2

answers

345

views

Mathematical journal for an undergraduate

reference-request

apr 11 '12 at 11:10 Nicky Hekster 2,677

3

6

votes

6

answers

322

views

Question about Holomorphic functions

calculus complex-analysis

jun 11 '11 at 20:23 Sam 6,944

4

votes

1

answer

316

views

Unscramble images without trying all permutations

algorithms optimization image-processing

sep 3 '11 at 10:22 Listing 7,581

8

votes

3

answers

281

views

Convergence of $a_{n+1}=\frac{1}{1+a_n}$

real-analysis sequences-and-series convergence

apr 20 at 12:35 Thomas Andrews 29.8k

1

4

votes

4

answers

281

views

Intuitive results with non-intuitive proofs?

soft-question intuition

nov 3 '11 at 19:13 Valerio Capraro 301

1

3

votes

1

answer

279

views

Investigations about the trace form

linear-algebra matrices

jan 7 at 17:58 user1551 16.7k

1

vote

2

answers

278

views

Closure of a subset in a metric space

general-topology metric-spaces

nov 27 '10 at 16:39 TCL 5,350

4

votes

2

answers

264

views

Series inequality $\displaystyle\sum _{k=n}^{\infty } \frac{1}{k!}\leq \frac{2}{n!}$

homework sequences-and-series inequality

feb 18 at 0:20 i.a.m 1,475

1

3

votes

1

answer

259

views

Finite abelian groups - direct sum of cyclic subgroup

group-theory finite-groups abelian-groups

nov 25 '11 at 20:29 Arturo Magidin 158k

0

votes

2

answers

258

views

Proving that an equation is solvable, Floor function

real-analysis

jan 3 '11 at 4:04 TCL 5,350

2

6

votes

1

answer

241

views

Ring of Polynomial Forms is a Principal Ideal Ring implies Coefficient Ring is a Field?

abstract-algebra commutative-algebra ring-theory field-theory

apr 14 at 21:09 YACP 9,140

4

9

votes

1

answer

237

views

Showing $\left|\frac{a+b}{2}\right|^p+\left|\frac{a-b}{2}\right|^p\leq\frac{1}{2}|a|^p+\frac{1}{2}|b|^p$

real-analysis inequality convex-analysis

dec 31 '11 at 16:47 Davide Giraudo 56.2k

2

12

votes

2

answers

219

views

Distinctness is maintained after adding some element to all sets

combinatorics extremal-combinatorics

jan 13 '11 at 3:38 Aryabhata 47.6k

4

votes

1

answer

205

views

Function such that its square is not integrable

real-analysis measure-theory integration

dec 5 '11 at 18:30 Community♦ 1

2

votes

1

answer

197

views

Linear isometry

linear-algebra homework vector-spaces

jan 21 '11 at 20:26 Jason DeVito 14.2k

2

votes

2

answers

194

views

Convergence of Lebesgue integrals

real-analysis measure-theory integration convergence

dec 6 '11 at 19:47 David Mitra 41.1k

3

votes

2

answers

190

views

Interval packing problem

combinatorics packing-problem

jan 18 '12 at 16:47 Listing 7,581

5

votes

2

answers

189

views

Given $2$ randomly chosen integers $x,y$ what is $P(k=gcd(x,y))$?

number-theory probability prime-numbers

may 18 '11 at 11:24 Roah 512

2

8

votes

1

answer

180

views

Small cycles in an undirected graph

graph-theory extremal-combinatorics

mar 10 at 10:01 Arthur Fischer♦ 21.3k

7

votes

3

answers

169

views

Bijection $\{0,\ldots,2^{n}-1\} \rightarrow \{0,1\}^n$

combinatorics

nov 29 '11 at 6:50 Srivatsan 15.6k

1

vote

1

answer

161

views

Dot Product and Orthogonal Complement

homework sequences-and-series vector-spaces real-analysis

jan 18 '11 at 14:03 t.b. 43.1k

1

vote

2

answers

160

views

Convergence of Sequences

real-analysis sequences-and-series convergence

dec 2 '10 at 17:47 TCL 5,350

Listing

57 Questions