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Laurent series http://www.singular.unikl.de/forum/viewtopic.php?f=10&t=1634 
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Author:  paolab7393 [ Sat Apr 07, 2007 12:39 pm ] 
Post subject:  Laurent series 
Hello to everybody, I am a new user and I am a bit confused. I have a smooth plane curve f(x,y)=0 defined over a finite field k and containing (0,0). x is a local parameter at (0,0). The local ring (k[x,y]/(f))_(x,y) can be viewe inside the Laurent series field k((x)). How can I compute the expansion of an element of (k[x,y]/(f))_(x,y) in k((x))? Thank you, Paola 
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