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2000mg Haigo 's user avatar
2000mg Haigo 's user avatar
2000mg Haigo 's user avatar
2000mg Haigo
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5
Metric on the set of non-empty finite subsets (Ex. 2.4 MTH 427/527)
Dec 1, 2023
answer
5
Metric on the set of non-empty finite subsets (Ex. 2.4 MTH 427/527)
Dec 10, 2023
question
3
If $p_t(x,y)>0 $ for some $t$, then $p_t(x,y) >0 $ for all $t\geq 0 $.
Jul 24
question
2
Alternative Proof of Hoeffding's Lemma / solve the equation $E[1_A | X] = (1+X)/2$ given $X$
Mar 31
answer
2
Top homology $\mathbb{Z}$ implies orientability
Oct 6, 2023
answer
2
Does this inequality hold? $\sum a_i=\sum\frac1{a_i}$ then $\sum\frac{1}{a_i+n-1}⩽1$
Dec 31, 2023
question
1
Character formula for $U(N)$ with $ \{ \lambda \} = l_1 \geq l_2 \geq \dots 0\geq \dots -m_1 \geq \dots \geq -m_q$
Jul 8, 2022
question
1
Matrix function of a measurable map $f$ is again measurable?
Jul 2
answer
1
Show that $C=B+gh^\top$ is invertible and the inverse is given by$ D=B^{-1}-(B^{-1}gh^\top B^{-1})/(1+h^\top B^{-1}g)$
Oct 12, 2023
answer
1
Terence Tao, Analysis I book exercise 9.8.5, an example of function discontinuous at every rational, but continuous at every irrational point
Oct 31, 2023
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Exact time evolution of Stern-Gerlach (SG) apparatus
6
What is the intuition of the expected value of the logarithm and entropy?