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jiggerwit.wordpress.com
| | polyfree.wordpress.com
3.4 parsecs away

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| | A method using flow networks with costs to realize logical gates. This would suggest a polynomial time approach to solve 3-SAT and 3-DIM-Matching instances. Probability is high that there is some flaw... [my goal with this is having fun exploring interesting questions with the limited tools I have at my disposal, and hopefully gain some...
| | alanrendall.wordpress.com
2.3 parsecs away

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| | The theorem of the title is about dividing smooth functions by other smooth functions or, in other words, representing a given smooth function in terms of products of other smooth functions. A large part of the account which follows is based on that in the book 'Normal Forms and Unfoldings for Local Dynamical Systems' by...
| | www.jeremykun.com
2.7 parsecs away

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| | This proof assumes knowledge of complex analysis, specifically the notions of analytic functions and Liouville's Theorem (which we will state below). The fundamental theorem of algebra has quite a few number of proofs (enough to fill a book!). In fact, it seems a new tool in mathematics can prove its worth by being able to prove the fundamental theorem in a different way. This series of proofs of the fundamental theorem also highlights how in mathematics there are many many ways to prove a single theorem...
| | alexhwilliams.info
31.5 parsecs away

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| [AI summary] A technical blog post explaining the mathematical foundations of Principal Component Analysis (PCA), its various generalizations like Sparse and Non-negative Matrix Factorization, and practical considerations for choosing components and handling missing data.