Unweaving the Fabric of the Universe: The Interplay between Mathematics and Physics
Mairi Sakellariadou

TL;DR
This paper discusses the critical need for integrating mathematics and physics to develop a quantum gravity theory that unifies general relativity and quantum mechanics, especially under extreme early universe conditions.
Contribution
It highlights the importance of mathematical-physical interplay in formulating testable quantum gravity theories for the universe's earliest moments.
Findings
Multiple approaches to quantum gravity are being developed.
Experimental and observational tests are guiding theoretical advancements.
Interdisciplinary collaboration is crucial for progress in understanding the early universe.
Abstract
Our conventional understanding of space-time, as well as our notion of geometry, break down once we attempt to describe the very early stages of the evolution of our universe. The extreme physical conditions near the Big Bang necessitate an intimate interplay between physics and mathematics. The main challenge is the construction of a theory of quantum gravity, the long-sought unification of Einstein's general relativity with quantum mechanics. There are several attempts to formulate such a theory; they can be tested against experimental and observational results coming from high energy physics and astrophysics, leading to a remarkable interplay between gravity, particle physics and cosmology.
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Taxonomy
TopicsCosmology and Gravitation Theories · Noncommutative and Quantum Gravity Theories · Black Holes and Theoretical Physics
