User becko - Mathematics Stack Exchange

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	630 reputation	bio	website		visits	member for	2 years, 1 month
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3

7

votes

3

answers

3

kviews

Indian claims finding new cube root formula

arithmetic math-history

22h ago Sajal Nahar 1

3

votes

1

answer

41

views

Parameters to represent degrees of freedom in $n\times n$ orthogonal real matrices

linear-algebra

may 8 at 22:03 Will Jagy 21.6k

0

votes

1

answer

163

views

Computing an inverse Laplace transform

laplace-transform

may 4 at 16:02 Community♦ 1

3

votes

1

answer

47

views

Is there a name for this type of permutation?

combinatorics permutations

apr 26 at 9:30 Marc van Leeuwen 24k

4

votes

1

answer

66

views

Find a lower bound

combinatorics matrices permutations

apr 26 at 5:39 becko 630

1

vote

1

answer

88

views

Properties of $g$ satisfying $f(x,x)[\nabla_{x}^{2}g(x,y)]_{x=y}+2[\nabla_{x}f(x,y)]_{x=y}\cdot[\nabla_{x}g(x,y)]_{x=y}=0$ for all $f$

functional-equations mathematical-physics

mar 22 at 9:45 Damien L 3,501

5

13

votes

7

answers

575

views

Game theory textbooks/lectures/etc

reference-request game-theory

mar 11 at 12:09 user66232 1

1

vote

1

answer

54

views

Expected count of substrings

algorithms

feb 16 at 8:21 joriki 92.8k

2

4

votes

3

answers

192

views

Indefinite integral of secant cubed

homework calculus integral integration indefinite-integral

feb 11 at 2:06 Michael Hardy 48.3k

1

0

votes

2

answers

547

views

Finding the longest path in an undirected weighted tree

graph-theory algorithms

jan 16 at 12:03 polkjh 1,016

1

vote

0

answers

176

views

Complete vs General Integral of first order PDE

pde physics

aug 29 at 22:10 doraemonpaul 3,072

3

votes

2

answers

106

views

When is the dual graph simple?

graph-theory topological-graph-theory

jun 12 '12 at 20:16 becko 630

0

votes

1

answer

115

views

What does face-width mean?

graph-theory terminology topological-graph-theory

jun 11 '12 at 2:46 Eugene 3,728

2

votes

0

answers

44

views

Is there a name for the number of edges that need to be removed to lower the genus of a graph?

graph-theory terminology topological-graph-theory

jun 11 '12 at 0:56 becko 630

1

vote

2

answers

110

views

Is the dual graph simple?

graph-theory

jun 9 '12 at 22:54 becko 630

1

3

votes

1

answer

119

views

Is this a sufficient condition for vertex and edge transitivity?

graph-theory

may 14 '12 at 22:50 jp26 553

3

votes

2

answers

99

views

For any $r,g$, is there an $r$-regular graph of girth $g$?

graph-theory

may 13 '12 at 6:12 Gerry Myerson 86k

1

0

votes

0

answers

89

views

What is “edge percolation”?

graph-theory random

may 11 '12 at 16:31 becko 630

4

votes

1

answer

243

views

Laplace transform and differentiation

differential-equations physics distribution-theory laplace-transform

apr 9 '12 at 2:51 oen 7,477

1

vote

1

answer

393

views

What does “relatively closed” mean?

general-topology terminology

feb 29 '12 at 15:37 Dylan Moreland 13.4k

1

vote

1

answer

2

kviews

Difference between “essential boundary conditions” and “natural boundary conditions”?

pde

feb 18 '12 at 6:46 Inquest 3,400

1

vote

0

answers

92

views

Is there a wavelet frame for $L^2[0,\infty)$?

wavelets

feb 16 '12 at 0:27 becko 630

1

vote

1

answer

88

views

What other wavelets (besides the Haar system) form a basis of $L^2(0,1)$?

wavelets

feb 15 '12 at 15:15 becko 630

1

2

votes

1

answer

193

views

Uniqueness of Helmholtz decomposition

multivariable-calculus physics

feb 9 '12 at 18:58 Community♦ 1

1

2

votes

2

answers

98

views

An identity with Gram determinant

linear-algebra determinant

dec 20 '11 at 18:35 Georges Elencwajg 45k

1

6

votes

3

answers

291

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For what sequences of real numbers $\left\{ k_{n}\right\}$ is the set of functions $\left\{ e^{ik_{n}x}\right\}$ a basis?

functional-analysis fourier-analysis fourier-series hilbert-spaces

nov 5 '11 at 18:49 p.s. 668

1

vote

1

answer

94

views

Proving that zeros of a function are first-order

complex-analysis roots

oct 3 '11 at 10:17 J. M. 38.9k

2

votes

1

answer

68

views

Locating the zeros of a function

complex-analysis roots

oct 3 '11 at 10:16 J. M. 38.9k

1

3

votes

3

answers

237

views

Numerical computation of the Rayleigh-Lamb curves

numerical-methods physics

oct 3 '11 at 8:03 Willie Wong♦ 30.7k

6

15

votes

2

answers

626

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Evaluating $\sum\limits_{n=1}^{\infty} \frac1{n}\left(\frac{np}{p+n}\right)^{n+1}$ for $0<p<1$

sequences-and-series

sep 24 '11 at 19:04 saeed sani 58

becko

38 Questions