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The observerse is the central mathematical object in the Theory of Geometric Unity. It is a mapping from a four-dimensional manifold \(X^4\) to a manifold \(Y\), which replaces Einstein's spacetime. There are four different constructions of the observerse: exogenous, bundle-theoretic, endogenous, and tautological. Each generates a possible Geometric Unity theory.

Exogenous[edit | edit source]

In the observerse's exogenous construction, the manifold \(X^4\) includes into any manifold \(Y\) of four dimensions or higher which can admit it as an immersion.

$$ X^4 \hookrightarrow Y $$

Bundle-Theoretic[edit | edit source]

In the observerse's bundle-theoretic construction, the manifold \(Y\) sits over \(X^4\) as a fiber bundle.


Endogenous[edit | edit source]

In the observerse's endogenous construction, \(Y\) is the space of metrics on the manifold \(X^4\).


Tautological[edit | edit source]

In the observerse's tautological construction, the manifold \(X^4\) equals \(Y\).

$$ X^4 = Y $$