The Mathematics of Continuous Multiplicities : The Role of Riemann in Deleuze’s Reading of Bergson. / Widder, Nathan.

In: Deleuze & Guattari Studies, Vol. 13, No. 3, 07.2019, p. 331-354.

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Abstract

A central claim of Deleuze’s reading of Bergson is that Bergson’s distinction between space as an extensive multiplicity and duration as an intensive multiplicity is inspired by the distinction between discrete and continuous manifolds found in Bernhard Riemann’s 1854 thesis on the foundations of geometry. Yet there is no evidence from Bergson that Riemann influences his division, and the distinction between the discrete and continuous is hardly a Riemannian invention. Claiming Riemann’s influence, however, allows Deleuze to argue that quantity, in the form of ‘virtual number’, still pertains to continuous multiplicities. This not only supports Deleuze’s attempt to redeem Bergson’s argument against Einstein in Duration and Simultaneity, but also allows Deleuze to position Bergson against Hegelian dialectics. The use of Riemann is thereby an important element of the incorporation of Bergson into Deleuze’s larger early project of developing an anti-Hegelian philosophy of difference.
This article will review the role of discrete and continuous multiplicities or manifolds in Riemann’s Habilitationsschrift, and how Riemann uses it to establish the foundations of an intrinsic geometry. It will then outline how Deleuze reinterprets Riemann’s thesis to make it a credible resource for Deleuze’s Bergsonism. Finally, it will explore the limits of this move, and how Deleuze’s later move away from Bergson turns on the rejection of an assumption of Riemann’s thesis, that of ‘flatness in smallest parts’, which Deleuze challenges with the idea, taken from Riemann’s contemporary, Richard Dedekind, of the irrational cut.
Original languageEnglish
Pages (from-to)331-354
Number of pages24
JournalDeleuze & Guattari Studies
Volume13
Issue number3
Early online dateJul 2019
DOIs
Publication statusE-pub ahead of print - Jul 2019
This open access research output is licenced under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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