Confusion about a proof of Ito isometry for "elementary" functions in Oksendal's SDE book
60080
$E[e_te_s\Delta B_t\Delta B_s]$ for $\Delta B_t$ Brownian motion increments and $e_t(\omega)$ a measurable function.
12802
Proof of correctness of normal equation
106430
Law of large numbers for Brownian Motion (Direct proof using L2-convergence)
151157
Justification of proof of law of total expectation
73367
On $E[E[Y|X]|X]= E[Y|X]$
14764
Explain why $E(X) = \int_0^\infty (1-F_X (t)) \, dt$ for every nonnegative random variable $X$
92569
Showing that ${\rm E}[X]=\sum_{k=0}^\infty P(X>k)$ for a discrete random variable
83183
Why is $\langle x| x' \rangle=\delta(x-x')$?
81375
Why does $V(I(S))=\overline{S}$?
103501
Question about a normal equation proof
108560
Proof of a Gaussian Integral property
57894
In a proof of the Sherman-Morrison formula why does $(I+wv^T)^{-1}=I-\frac{wv^T}{1+v^Tw}$
136694
Probabilistic Proof of Kraft-Mcmillan Inequality
104258
Proof Verification: $\dim\mathrm{Im} T+\dim\ker T=\dim V$
42778
Why is the contribution of a path in Feynmans path integral formalism $\sim e^{(i/\hbar)S[x(t)]}$?
136078
Uniform integrability of a backward submartingale
113526
Why intuitively does $\mathbb E(\frac d {d\theta}\log p_\theta(x))=0$?