User Marie. P. - Mathematics Stack Exchange

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	509 reputation	bio	website		visits	member for	1 year, 6 months
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2

6

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321

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Entire function with $f(z)=\sin(f(z))$ must be constant?

complex-analysis functional-equations

dec 15 '11 at 12:36 Srivatsan 15.7k

6

votes

1

answer

237

views

3 holomorphic functions, sum of absolute values does not have maximum

complex-analysis

nov 11 '11 at 20:05 user8268 8,112

5

votes

2

answers

155

views

is a one-by-one-matrix just a number (scalar)?

matrices complex-numbers

oct 24 at 12:39 Christian Blatter 32.7k

5

votes

2

answers

222

views

Ring homomorphism between $R[x]$ and $R$

abstract-algebra ring-theory

nov 22 '11 at 2:53 Community♦ 1

4

votes

1

answer

3

kviews

moment generating function of exponential distribution

stochastic-processes

nov 16 at 5:23 Community♦ 1

4

votes

2

answers

224

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Why is $x^5+5x^4+10x^3+10x^2+7x+5$ irreducible over $\mathbb{Q}[x]$?

abstract-algebra polynomials

jan 24 '12 at 15:23 Claudio 41

1

4

votes

1

answer

205

views

Entire function taking all complex values?

complex-analysis

dec 15 '11 at 12:31 Johan 838

3

votes

1

answer

192

views

$\mathcal{F_t}$-martingales with Itô's formula?

stochastic-processes martingales stochastic-integrals brownian-motion

may 9 '12 at 22:44 Sasha 41.4k

3

votes

0

answers

239

views

Gompertz growth equation

differential-equations limit

may 7 '12 at 23:28 Community♦ 1

1

3

votes

1

answer

1

kviews

Price of a European Call option is a convex function of strike price K

finance

feb 22 '12 at 18:45 Chris Taylor 13.2k

3

votes

1

answer

387

views

Schwarz-Christoffel mapping of the upper half-plane

complex-analysis conformal-geometry

dec 5 '11 at 15:12 J. M. 39k

3

votes

2

answers

67

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pole on radius of convergence - no absolute convergence on that circle

sequences-and-series complex-analysis

nov 11 '11 at 0:36 Robert Israel 86.5k

2

votes

3

answers

391

views

$X$ standard normal distribution, $E[X^k]=?$

homework normal-distribution

mar 20 at 5:13 robjohn♦ 60.1k

2

votes

1

answer

105

views

Martingale measure

probability-theory martingales

mar 17 at 18:16 saz 5,482

1

2

votes

1

answer

117

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Economics: two rival firms in two countries

game-theory economics

oct 16 at 20:56 Arkamis 7,977

2

votes

1

answer

147

views

homogeneous or non-homogeneous ODE?

homework differential-equations pde

aug 21 at 22:11 doraemonpaul 3,072

1

2

votes

1

answer

369

views

Equivalence of probability measures

homework probability-theory

jul 21 at 20:37 Davide Giraudo 56.4k

2

votes

1

answer

111

views

Stochastic differential equation: Itô's formula?

stochastic-processes stochastic-integrals

may 22 '12 at 13:22 Michael Hardy 48.4k

2

votes

2

answers

599

views

Schwarz Lemma: generalization

complex-analysis

may 3 '12 at 11:13 Pantelis Damianou 2,709

2

votes

1

answer

99

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$\mathbb{E}[e^{B_t}|F_s]$: expectation of some Brownian motion

probability-theory stochastic-processes brownian-motion

apr 25 '12 at 19:42 Davide Giraudo 56.4k

2

votes

2

answers

354

views

Euler Gamma function $\Gamma(z)$ on $\mathbb{C}$

complex-analysis special-functions gamma-function

apr 16 '12 at 1:15 Tom Copeland 505

2

votes

2

answers

118

views

Minimum polynomials of $\alpha^{37}$ over $\mathbb{Q}$

abstract-algebra field-theory

dec 8 '11 at 17:04 Chris Leary 866

1

2

votes

0

answers

64

views

diagrams of Riemann surfaces of multiple roots

complex-analysis riemann-surfaces

dec 1 '11 at 23:53 Marie. P. 509

1

2

votes

2

answers

191

views

Polynomial ring: properties

abstract-algebra

nov 16 '11 at 19:59 Arturo Magidin 158k

2

votes

1

answer

732

views

How many roots of a polynomial have positive real part?

complex-analysis polynomials roots

nov 10 '11 at 13:41 Eric 33.3k

1

2

votes

2

answers

61

views

every point on boundary of region of convergence is singular

complex-analysis circle

nov 10 '11 at 0:39 Gerry Myerson 86k

1

vote

1

answer

48

views

error in nonhomogeneous Cauchy problem

pde

jan 27 at 16:16 doraemonpaul 3,072

1

vote

1

answer

90

views

economics: two fully substitutable products - demand curves?!

economics

sep 24 at 11:53 Willie Wong♦ 30.7k

1

vote

1

answer

71

views

Lyapunov, ODE and Jacobian

differential-equations

may 10 '12 at 9:32 Willie Wong♦ 30.7k

1

vote

1

answer

102

views

System of ODEs and Lyapunov function

differential-equations mathematical-modeling

may 9 '12 at 23:23 J. M. 39k

Marie. P.

51 Questions