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Dec 21, 2011, 5:52:50 AM12/21/11

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John

---------- Forwarded message ----------

From: Vinay Wagh <wag...@gmail.com>

Date: 21 December 2011 08:24

Subject: [sage-support] A simple question on modules.

To: sage-s...@googlegroups.com

Sorry to ask such simple questions, but I am not able to find

appropriate reference in the manual.

I have a power series ring (or polynomial ring) in multi-variables,

say R = k[X_1,\cdots, X_n] or k[[X_1,\cdots, X_n]]. I need to define

a module over R, generated by f_1,f_2,\cdots,f_r.

e.g. in Singular one can define it using

module M = f_1,\cdots,f_r. (Of course not verbatim)

Second question: Is the computation of first syzygy module implemented

for Power Series rings? The manual gives an example for Polynomial

Rings (and mentions it only on the page "Ideals in multivariate

polynomial rings".

Thanks in advance.

-- VInay

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