Description:
Mathematical discussions and pursuits.
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Direct Sum
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Is the direct sum_{n in N} Z a countable set? i.e. infinitely many copies of Z ?
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algebra and analysis
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The complex numbers are algebraically complete. And complex analysis has nice theorems that real analysis doesn't have: like, if a function is differentiable once, it's differentiable infinitely many times. Are those two things related? Is something similar true for p-adic analysis - does analysis over the... more »
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