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ncatlab.org | ||
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mattbaker.blog
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| | | | | Test your intuition: is the following true or false? Assertion 1: If $latex A$ is a square matrix over a commutative ring $latex R$, the rows of $latex A$ are linearly independent over $latex R$ if and only if the columns of $latex A$ are linearly independent over $latex R$. (All rings in this post... | |
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alanrendall.wordpress.com
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| | | | | In a previous post I discussed the Brouwer fixed point theorem and I mentioned the fact that it applies to any non-empty closed bounded convex subset of a Euclidean space, since a subset of this kind is homeomorphic to a closed ball in a Euclidean space. However I did not prove the latter statement. I... | |
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terrytao.wordpress.com
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| | | | | This is yet another post in a series on basic ingredients in the structural theory of locally compact groups, which is closely related to Hilbert's fifth problem. In order to understand the s... | |
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quantumcomputinginc.com
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