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(2010) Deleuze and the fold, Dordrecht, Springer.
The reconstruction of Leibniz's metaphysics that Deleuze undertakes in The Fold provides a systematic account of the structure of Leibniz's metaphysics in terms of its mathematical foundations. However, in doing so, Deleuze draws not only upon the mathematics developed by Leibniz — including the law of continuity as reflected in the calculus of infinite series and the infinitesimal calculus — but also upon developments in mathematics made by a number of Leibniz's contemporaries — including Newton's method of fluxions. He also draws upon a number of subsequent developments in mathematics, the rudiments of which can be more or less located in Leibniz's own work — including the theory of functions and singularities, the Weierstrassian theory of analytic continuity, and Poincaré's theory of automorphic functions. Deleuze then retrospectively maps these developments back onto the structure of Leibniz's metaphysics. While the Weierstrassian theory of analytic continuity serves to clarify Leibniz's work, Poincaré's theory of automorphic functions offers a solution to overcome and extend the limits that Deleuze identifies in Leibniz's metaphysics. Deleuze brings this elaborate conjunction of material together in order to set up a mathematical idealisation of the system that he considers to be implicit in Leibniz's work. The result is a thoroughly mathematical explication of the structure of Leibniz's metaphysics. This essay is an exposition of the very mathematical underpinnings of this Deleuzian account of the structure of Leibniz's metaphysics, which, I maintain, subtends the entire text of The Fold.
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Full citation:
Duffy, S. (2010)., Leibniz, mathematics and the monad, in S. Van Tuinen & N. Mcdonnell (eds.), Deleuze and the fold, Dordrecht, Springer, pp. 89-111.
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