Expansion Defined Relativity (EDR):
A Conceptual Framework for Time, Gravity, and Cosmic Structure

Welcome to the official home of Expansion-Defined Relativity (EDR). This website serves as the central, authoritative repository for the master content, preprints, and foundational documentation detailing the EDR framework.

About the Author

EDR is the work of David Suttle. David has spent decades operating as a solutions consultant, a professional background that heavily shapes his approach to writing and analysis of complex systems. Alongside his consulting career, he is an independent researcher deeply invested in exploring the foundations of cosmology and relativity. His research concentrates on the conceptual intersections between cosmic expansion, gravitation, and local time evolution. By analysing structural formulations of relativistic physics, his goal is to uncover simpler, more intuitive mechanisms that cleanly bridge large-scale cosmological behaviour with local physical phenomena.

What is Expansion-Defined Relativity?

Think of the cosmos as having a dynamic foam-like structure made of distinct regions aging at entirely different speeds. In this picture, vast cosmic voids are the empty bubbles, and the membranes stretching between them are where matter bundles together to form galaxies.

The core departure of EDR from standard physics is a fundamental reversal of cause and effect: cosmic expansion does not happen inside time - the growth of space is what actually generates time. Where you have dense clusters of mass-energy, this expansion process is suppressed, forcing local clocks to tick more slowly. Emptier regions, meanwhile, are left free to evolve at a much faster pace. This means gravity’s familiar geometric behaviour isn't baked into the model as a starting rule; instead, it simply emerges from the way matter locally suppresses the background expansion. In essence: "Matter tells space how to expand; expansion tells matter how to move."

When we look out across the cosmos at these different regions, we are forced to interpret what we see through the filter of our own local clock rate. This baseline discrepancy naturally distorts our observations, creating several distinct, deceptive illusions:

This perspective flips the script on how the universe organises itself. Large-scale cosmic webs do not form because matter pulls itself together across vast distances through gravitational attraction alone; rather, expanding space actively corrals and pushes matter into structural walls and filaments. Because cosmic behaviour is embodied by this constant tug-of-war between spatial expansion and local suppression, the universe can easily trick an internal observer into thinking it is young, even if its broader evolution is completely timeless from the outside.

Cosmological Tensions Addressed

By fundamentally re-evaluating how scale changes interact across immense distances, the EDR framework reduces or completely eliminates the systemic necessity for arbitrary dark components (such as dark matter and dark energy). The model offers a fresh look at:

Portal Contents & Collaboration

This website is designed as a standalone research launchpad to stimulate mathematical investigation, formal peer critique, and open academic discussion. Within this website, you will find direct access to the stable master papers, candidate mathematical scalar field equations, and data predictions linking disparate Solar System anomalies into a testable galactic gradient signature.

The framework is presented as an early-stage theoretical model. Questions, rigorous mathematical critiques, and formal inquiries from physicists, researchers, or graduate students interested in foundational cosmology are warmly welcomed. If you see potential in this conceptual direction, I invite you to explore the master files below. I am actively seeking avenues for collaborative development and deeper mathematical formalisation.


Latest Paper (Version 10 — published 13th July 2026):

Read the Expansion Defined Relativity Paper

Expansion Defined Relativity (PDF)  |  Download (ZIP)
Expansion Defined Relativity Appendix (PDF)  |  Download (ZIP)


Contact:

Email: [email protected]
ResearchGate: https://www.researchgate.net/profile/David-Suttle-2
ORCID: https://orcid.org/0009-0002-1519-5229