works with extraordinary precision, but the measurement problem has resisted resolution for nearly a century. What counts as an observation, and where the observer enters the theory, are not defined. They are imposed.
Science can predict what observers measure, but cannot define what an observer is. The Trace Institute considers this a key mathematical challenge to solve.
Consciousness is fundamental
Modern science treats matter as fundamental. In contrast, the Trace Institute proposes that the physical world is an interface through which observers perceive and interact.
This thesis dissolves the hard problem of consciousness. Instead of asking how matter produces experience, the question is how an observer's experience of matter is produced.
The theory is mathematical and established in the peer-reviewed literature. The observer is modeled mathematically as a conscious agent with its own unique experiences. From this framework, the trace logic and recursive trace logic are derived, serve as a mathematical foundation for deriving the material structures of physics and perception.
This is not a rejection of physics, but a framework in which the physics we know must be recovered as a limiting case of a deeper theory. This is a non-dual science of reality.
Science is ready for a theory of the observer #
Twentieth-century science produced the most precisely tested descriptions of nature in human history. In doing so, it also revealed the limits of the current framework. From the unification of quantum physics with general relativity to the origins of dark matter and dark energy, from the boundaries of the Standard Model to the hard problem of consciousness, each of these open problems points to a necessary next step: formalizing the observer.
describes spacetime and gravity, but reconciling it with quantum theory remains the central open problem of fundamental physics.
is the most precisely tested theory in science, and incomplete. It does not account for gravity, dark matter, dark energy, or the origin of its own structure.
is why physical information processing in a brain feels like anything at all. The question has no formal derivation inside the assumption of materialist reductionism. A wider epistemic frame is needed.
The Trace Institute is building the mathematics that puts the observer formally inside the theory
Formalizing the observer as an interface for experience
The Trace Institute is a nonprofit research initiative led by Donald Hoffman and Chetan Prakash together with a team of frontier researchers across mathematics, physics, cognitive science, neuroscience, and philosophy. Its mission is to build the foundations of science with a formal mathematical theory of the observer. They propose that space, time, and the physical universe is an adaptive interface, a representation through which conscious observers perceive and interact with each other to form the nature of reality.
Working scientists, mathematicians, and philosophers #
The moment is now #
The math is published
Conscious Agent Theory and the Fitness-Beats-Truth theorem are in the peer-reviewed literature. The 2025 Trace Chain Theorem extends the program. The mathematical groundwork is in place. The next phase is to build on it.
The roster is forming
Frontier researchers across mathematics, physics, cognitive science, neuroscience, and philosophy are taking the problem seriously. The work is becoming a coordinated research program.
The conversation is here
Questions about consciousness, reality, and the limits of physical theory have entered mainstream science and public discourse for the first time in a generation.
TRACE is now assembling its Founding Circle: a small group of individuals, foundations, and institutional partners helping build the Institute ahead of its full public launch in 2027. Learn more.
Three ways to engage #
The work itself
Peer-reviewed papers, books, and selected public writing from the team.
Follow us
Public lectures, conversations, and original work from the Institute.
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Join the Founding Circle
A small group of individuals, foundations, and institutional partners helping to build the Institute ahead of its full public launch in 2027.