User Johannes L

7 votes

1 answer

3k views

Conditional Expectation of function of two RVs, one measurable, one independent

asked Oct 17, 2011 at 14:38

6 votes

5 answers

1k views

Does convergence on finite intervals imply uniform convergence?

asked Sep 6, 2011 at 12:42

4 votes

0 answers

465 views

Uniform convergence of piecewise linear interpolations

asked Sep 6, 2011 at 13:20

4 votes

2 answers

851 views

Does "continuous + only at countable many points not differentiable (with bounded derivative)" imply Lipschitz-continuity?

asked Sep 6, 2011 at 10:45

4 votes

3 answers

2k views

Is f(X+Y), X independent if X,Y are?

asked Oct 5, 2011 at 14:10

3 votes

1 answer

314 views

Measurability question for martingale (Is $S(X_i, Z_i)- E(S(X_i,Z_i) \mid \mathcal{F}_i)$ $\mathcal{F}_i=\{X_1, \dots, X_i \}$-measurable?)

asked Oct 4, 2011 at 12:40

3 votes

1 answer

134 views

(How) follows P(X=0)=0 if E(1/X) finite?

asked Aug 2, 2011 at 9:17

3 votes

2 answers

579 views

Detail in Conditional expectation on more than one random variable

asked Aug 4, 2011 at 12:28

3 votes

1 answer

1k views

Why $X$ independent from $(Y,Z)$ implies that $E(XY^{-1} | Z)= E(X) E(Y^{-1}|Z)$?

asked Aug 18, 2011 at 10:02

2 votes

1 answer

406 views

Bound for multi-index sum

asked Sep 2, 2011 at 8:54

2 votes

1 answer

297 views

Short argument/reference for uniform continuity of piecewise linear interpolation

asked Sep 6, 2011 at 8:14

2 votes

1 answer

1k views

Finiteness of conditional expectation if expectation is finite

asked Aug 2, 2011 at 10:02

2 votes

1 answer

407 views

How to understand conditional expectation on "current iterate" (as conditioned on a random variable? or on certain sets?)

asked Aug 2, 2011 at 13:46

2 votes

1 answer

2k views

Rule with independent random variables and conditional expectations

asked Aug 4, 2011 at 7:48

2 votes

1 answer

175 views

Vanishing of Expecation and conditional expectation (on RV) is really equivalent (E(X)=0 <=> E(X|Y)=0)?

asked Sep 22, 2011 at 8:55

2 votes

3 answers

2k views

How to show Martingale property for sum of $S_k-E(S_k)$-summands where $S_k$ is a function of two RV's

asked Sep 22, 2011 at 10:28

1 vote

1 answer

1k views

General versions of (Second part of) Fundamental Theorem of Calculus

asked Sep 7, 2011 at 15:07

1 vote

3 answers

419 views

Independence Details for 3 random variables

asked Aug 5, 2011 at 11:47

1 vote

1 answer

215 views

Strange expression for kind of independence

asked Aug 17, 2011 at 8:22

1 vote

1 answer

820 views

Is the norm of a martingale a martingale?

asked Oct 19, 2011 at 8:46

0 votes

1 answer

273 views

Combinatorics for multi-index set, how many elements does $\{ X^j : |j|=3, j_l \neq 0\}$ have?

asked Sep 8, 2011 at 12:10

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21 Questions

Conditional Expectation of function of two RVs, one measurable, one independent

Does convergence on finite intervals imply uniform convergence?

Uniform convergence of piecewise linear interpolations

Does "continuous + only at countable many points not differentiable (with bounded derivative)" imply Lipschitz-continuity?

Is f(X+Y), X independent if X,Y are?

Measurability question for martingale (Is $S(X_i, Z_i)- E(S(X_i,Z_i) \mid \mathcal{F}_i)$ $\mathcal{F}_i=\{X_1, \dots, X_i \}$-measurable?)

(How) follows P(X=0)=0 if E(1/X) finite?

Detail in Conditional expectation on more than one random variable

Why $X$ independent from $(Y,Z)$ implies that $E(XY^{-1} | Z)= E(X) E(Y^{-1}|Z)$?

Bound for multi-index sum

Short argument/reference for uniform continuity of piecewise linear interpolation

Finiteness of conditional expectation if expectation is finite

How to understand conditional expectation on "current iterate" (as conditioned on a random variable? or on certain sets?)

Rule with independent random variables and conditional expectations

Vanishing of Expecation and conditional expectation (on RV) is really equivalent (E(X)=0 <=> E(X|Y)=0)?

How to show Martingale property for sum of $S_k-E(S_k)$-summands where $S_k$ is a function of two RV's

General versions of (Second part of) Fundamental Theorem of Calculus

Independence Details for 3 random variables

Strange expression for kind of independence

Is the norm of a martingale a martingale?

Combinatorics for multi-index set, how many elements does $\{ X^j : |j|=3, j_l \neq 0\}$ have?