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dominiczypen.wordpress.com | ||
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jmanton.wordpress.com
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| | | | | If $latex Y$ is a $latex \sigma(X)$-measurable random variable then there exists a Borel-measurable function $latex f \colon \mathbb{R} \rightarrow \mathbb{R}$ such that $latex Y = f(X)$. The standard proof of this fact leaves several questions unanswered. This note explains what goes wrong when attempting a "direct" proof. It also explains how the standard proof... | |
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thehighergeometer.wordpress.com
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| | | | | Here's a fun thing: if you want to generate a random finite $latex T_0$ space, instead select a random subset from $latex \mathbb{S}^n$, the $latex n$-fold power of the Sierpinski space $latex \mathbb{S}$, since every $latex T_0$ space embeds into some (arbitrary) product of copies of the Sierpinski space. (Recall that $latex \mathbb{S}$ has underlying... | |
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mkatkov.wordpress.com
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| | | | | Edit 6.6.2016. Premature optimization is a source for errors. The following is completely wrong. Would like to smoke the same thing again. Linear algebra does not work here. We need characterization of quotient space. What I do not understand is why fast methods are working modulo number itself, but not other prime numbers. Suppose we... | |
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cosmiaineurope.wordpress.com
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| | | Cosmia's travel in Europe from June 2018 to July 2018 | ||
