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2009

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- X Shen
- 1992

We review some recent developments in the theory of W ∞. We comment on its relevance to lower-dimensional string theory.

- Bing Xie, Xiquan Liang, Xiuzhuan Shen
- Formalized Mathematics
- 2009

In this article we define second-order partial differentiation of real binary functions and discuss the relation of second-order partial derivatives and partial derivatives defined in [17]. [7], and [17] provide the notation and terminology for this paper. are partial functions from R 2 to R, R is a rest, and L is a linear function. Let us note that every… (More)

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