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Jim-Holmstroem/finddivofzeroandgroupofunit.py

Created March 28, 2012 07:10
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Pickout the div of zeroes / group of units for all elements in R in Python
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finddivofzeroandgroupofunit.py
dozsmatrix=dict(map(lambda a:(a,filter(lambda b:a*b==Zero,R)),R))
groupofunit=dict(map(lambda a:(a,filter(lambda b:a*b==e,Rstar)),Rstar))
@Jim-Holmstroem
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note the class \in R must have hash(self): defined, mostly easy (if not leave out the dict part)

the dict will contain g=>[g's divisors of zero] \forall g

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