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inquiryintoinquiry.com | ||
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xorshammer.com
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| | | | The Axiom of Choice is usually introduced as a non-constructive axiom that mathematicians used to care about but don't really pay much attention to anymore. It's true that mainstream mathematicians often don't pay much attention to it, but it turns out that AC isn't inherently non-constructive: it depends on what the base system it's being... | |
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fabricebaudoin.blog
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| | | | Peter Gustav Lejeune Dirichlet An introduction to Dirichlet spaces: Lecture notes The outline of those (unpolished) lecture notes is the following: Chapter 1: Semigroups Chapter 2: Markovian semigroups and Dirichlet forms Chapter 3: Dirichlet spaces with Gaussian or sub-Gaussian heat kernel estimates Chapter 4: Strictly local Dirichlet spaces Slides | |
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fabricebaudoin.blog
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| | | | Let (X, ?) be a measurable space. We say that (X, ?) is a good measurable space if there is a countable family generating ? and if every finite measure ? on (X × X, ? ? ?) can be decomposed as ?(dx dy) = k(x,dy) ?1(dx) where ?1 is the projection of ? on... | |
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sansmap.wordpress.com
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| | hand written text by shel silverstein, poem published in his book 'Falling Up'; 1996 |