Why does D=4, rather than more (or less)? An Orwellian explanation

Abstract

Two simple, if Draconian, assumptions about classical gravity fix space-time's dimension at D=4

For Mike Duff, friend, collaborator, eminent theoretician, peerless Defender of the Faith, on his 70th. Minor clarifications for published version. Final typos corrected

References in corpus (4)

• Energy in Generic Higher Curvature Gravity Theories
• Critical Points of D-Dimensional Extended Gravities
• Spectra, vacua and the unitarity of Lovelock gravity in D-dimensional AdS spacetimes
• The Many Dimensions of Dimension

Cited by in corpus (1)

• The Large D Limit of Einstein's Equations