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2016-06-20 05:14:33 -0500 received badge  Student (source)
2016-06-15 18:04:27 -0500 asked a question Coercion from symbolic ring to Laurent series ring?

Is there a good way to convert from a symbolic expression to a Laurent series ring? For example, if x is a symbolic variable and LSR is a laurent series ring, then sage produces an error for

LSR(1/x)

saying that the element is not integral.