Spacetime Dimension Info

would make physics unpredictable because partial differential equations would lack the "hyperbolicity" property.

: The historical foundation of spacetime. Minkowski's mathematical formalism established the idea of a four-dimensional world where space and time are inextricably linked into a single continuum. Theoretical Frameworks with Extra Dimensions Spacetime Dimension

would lead to unstable atoms and planetary orbits. Spacetime Dimension

might be too simple to support observers. You can read the full text at arXiv:gr-qc/9702052 . Spacetime Dimension