Beyond Smooth Spacetime: A New Geometry for Relativity

from Intellectually Curious · host Mike Breault

In this Deep Dive, we explore how mathematicians are pushing Einstein's general relativity past the requirement of smooth spacetime. Learn how triangle-based estimates of sectional curvature, time-oriented distance, and optimal transport techniques are giving us a robust toolkit for describing gravity where spacetime is jagged—inside black holes, near singularities, and in the early universe. Meet the researchers behind the breakthroughs—Seaman, Kunzinger, Alexander, Graf, and McCann—and follow their unlikely collaboration from a chance flight to a new geometric language for relativity.Note: This podcast was AI-generated, and sometimes AI can make mistakes. Please double-check any critical information.Sponsored by Embersilk LLC

Episode metadata supplied by the publisher feed · Published Jul 17, 2025

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This episode was published on July 17, 2025.

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