Can our spacetime emerge from anti -- de Sitter space?

TL;DR

This paper proposes a model where our four-dimensional spacetime with near-zero positive curvature emerges from a branching process related to $AdS_5$ space, suggesting a novel origin scenario for our universe.

Contribution

It introduces a new model linking spacetime emergence to a discrete branching process connected to anti-de Sitter space, offering a fresh perspective on spacetime origins.

Findings

Spacetime may originate from a branching process in $AdS_5$ space.

The model explains near-zero positive curvature of our universe.

A discrete entity's branching can lead to four-dimensional spacetime.

Abstract

We present a model showing that our four-dimensional spacetime with the signature $(+,-,-,-)$ and almost vanishing positive curvature may have originated from a $b$-ary tree-like branching of a single discrete entity, and the $AdS_5$ space related to this branching process.