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math.RA2011
A Note on Lipshitz's Lemma 3
Shaoshi Chen, Ziming Li
In this note, we give a remark on the proof of Lemma 3 in Lipshitz's paper "The diagonal of a D-Finite power series is D-Finite". This remark is motivated by the observation that t…
cs.SC2011★ 1 cited
Trading Order for Degree in Creative Telescoping
Shaoshi Chen, Manuel Kauers
We analyze the differential equations produced by the method of creative telescoping applied to a hyperexponential term in two variables. We show that equations of low order have h…