Space-Time Singularities and Cyclic Geometry: Public Lecture Commemorating Professor S.-S. Chern’s 110th

Yang-Hui He ()
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Yang-Hui He: London Institute, Royal Institution of Great Britain

A chapter in Nankai Symposium on Mathematical Dialogues, 2026, pp 1-2 from Springer

Abstract: Abstract When too much material collapses into too small a region, the result is a black hole, and internal space-time singularities are expected, where space-time curvatures appear to diverge to infinity. The mathematics works both ways in time yet the Big-Bang singularity was of a completely different character, and better understood in terms of conformal geometry, leading to a cyclic picture of the universe, now with considerable observational support. The mathematics of this picture leads to intriguing speculations involving different cyclic geometrical ideas.

Date: 2026
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DOI: 10.1007/978-981-19-2328-9_1

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