User Frank Science - Mathematics Stack Exchange

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5

19

votes

3

answers

641

views

A problem about floor function

algebra-precalculus

feb 2 '12 at 9:10 Christian Blatter 33.9k

2

11

votes

1

answer

403

views

Factorial canceling on expansion of binomial coefficients on Concrete Mathematics

nov 5 at 13:57 Community♦ 1

4

10

votes

3

answers

365

views

The equivalence between Cauchy integral and Riemann integral for bounded functions

real-analysis integral definite-integral

apr 7 at 8:12 Tony Piccolo 190

3

9

votes

0

answers

235

views

Asymptotic related to the infinite product of sine

sequences-and-series asymptotics

may 4 at 14:26 Frank Science 1,986

2

9

votes

2

answers

133

views

Derivative and constant function

calculus real-analysis

nov 23 at 17:40 Yury 3,358

2

8

votes

1

answer

391

views

How to solve this recurrence

sequences-and-series recurrence-relations generating-functions

jun 3 '12 at 20:49 qrqrq2 51

1

7

votes

3

answers

185

views

Asymptotic for the integral involving exponential

integral asymptotics

may 19 at 12:27 Mhenni Benghorbal 15.5k

7

votes

1

answer

274

views

Pretty solution to the trigonometric equation

calculus trigonometry

jan 8 at 5:04 Frank Science 1,986

7

votes

1

answer

158

views

$f'+\lambda f$ acts as $f'$ without integral

calculus

aug 16 at 9:51 Did 107k

1

7

votes

1

answer

190

views

Asymptotics for sum of binomial coefficients from Concrete Mathematics

asymptotics binomial-coefficients

jun 8 '12 at 23:28 Frank Science 1,986

1

6

votes

1

answer

541

views

Equation about generating functions and subfactorial

power-series generating-functions functional-equations

jun 2 at 22:11 Community♦ 1

2

6

votes

3

answers

170

views

The connection between decomposition of $\ker(f_\phi g_\phi)$ and the Chinese remainder theorem

linear-algebra ring-theory modules

jan 13 at 5:15 Marc van Leeuwen 25.7k

2

6

votes

1

answer

426

views

Maximize the area of the inscribed triangle

geometry optimization euclidean-geometry

aug 23 at 11:47 Américo Tavares 21.4k

1

6

votes

3

answers

231

views

When can we plug an arbitrary number into an equation on formal power series

power-series generating-functions

jun 3 '12 at 8:18 Marc van Leeuwen 25.7k

2

5

votes

1

answer

133

views

Snags when discovering the asymptotic behavior of an integral

asymptotics definite-integral

may 2 at 15:52 Antonio Vargas 6,961

5

votes

3

answers

166

views

A lemma about extension of function

calculus real-analysis multivariable-calculus

jul 2 '12 at 7:51 Christian Blatter 33.9k

4

votes

1

answer

146

views

Does continuous convergence imply uniform convergence?

real-analysis general-topology metric-spaces

feb 23 at 12:29 David Mitra 41.8k

4

votes

1

answer

200

views

A theorm about Cesàro mean, related to Stolz-Cesàro theorem

calculus real-analysis sequences-and-series reference-request

feb 10 at 12:19 robjohn♦ 63.1k

1

4

votes

1

answer

167

views

Asymptotics for Bell number

asymptotics

jan 16 at 5:57 Mike Spivey 26.1k

1

4

votes

1

answer

166

views

The differentiablity of monotonic functions

calculus real-analysis measure-theory

dec 19 at 8:36 Michael Greinecker♦ 12.6k

1

4

votes

2

answers

311

views

Proof about $z\cot z=1-2\sum_{k\ge1}z^2/(k^2\pi^2-z^2)$

real-analysis sequences-and-series trigonometry

jul 4 '12 at 14:01 Peter Tamaroff 28.7k

4

votes

1

answer

98

views

A trivial problem in calculus

calculus integral indefinite-integral

jul 2 '12 at 8:09 Siminore 7,945

3

votes

0

answers

62

views

How to explore the asymptotic of an iteration

asymptotics

sep 21 at 16:45 Frank Science 1,986

2

3

votes

1

answer

205

views

Asymptotics of an expression of the root of a polynomial

polynomials asymptotics

jul 18 '12 at 21:02 Victor 1,330

2

3

votes

1

answer

157

views

Series about Euler-Maclaurin formula

sequences-and-series asymptotics divergent-series

jun 9 '12 at 14:42 robjohn♦ 63.1k

1

3

votes

2

answers

268

views

Generating function for Banach's matchbox problem

probability combinatorics probability-distributions generating-functions

jun 5 '12 at 12:44 Frank Science 1,986

2

votes

0

answers

139

views

The limit of the measures of monotone decreasing sets

real-analysis measure-theory

feb 28 at 11:46 Frank Science 1,986

2

votes

2

answers

80

views

The sufficient and necessary condition for a function approaching a continuous function at $+\infty$

real-analysis continuity

dec 5 at 14:17 Ju'x 3,194

2

votes

0

answers

196

views

Asymptotics for the expected length of the longest streak of heads.

probability asymptotics recurrence-relations generating-functions

jun 12 '12 at 3:34 Frank Science 1,986

1

2

votes

2

answers

213

views

A differential equation introduced from a physics problem

calculus differential-equations

may 27 '12 at 17:33 Will Orrick 2,896

Frank Science

39 Questions