The physics of infinity

David Hilbert famously argued that infinity cannot exist in physical reality. The consequence of this statement — still under debate today — has far-reaching implications.

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Fig. 1: Fourier series of a square wave.

courtesy of David Abergel

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Correspondence to George F. R. Ellis.

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Ellis, G.F.R., Meissner, K.A. & Nicolai, H. The physics of infinity. Nature Phys 14, 770–772 (2018). https://doi.org/10.1038/s41567-018-0238-1

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