Is it possible to model spacetime as a function from an interval $I$ to a set $S$, where $t\in I$ represents time and $x\in S$ represents space?
4132
What is the closest general-relativistic equivalent of a "time slice"?
46050
How to describe arbitrary accelerations in special relativity
77157
In GR, why should the spacetime manifold be differentiable?
108687
Open subsets in a manifold as submanifold of the same dimension?
153686
Is time a Scalar or a Vector?
92343
Does cosmological time expand like space does?
62542
Why is the empty set considered an interval?
85242
Deciding whether two metrics are topologically equivalent in the space $C^1([0,1])$
104255
Can we know the fundamental nature of space and time?
91736
Explicit homeomorphism between open and closed rational intervals?
6727
Is spacetime discrete or continuous?
46457
Can the parameter space of a single parameter exponential family in canonical form be a closed interval?
122357
Discreteness of Spacetime and Violation of Lorentz symmetry
81873
Is $(X,\mathcal T)$ necessarily an indiscrete space?
87141
Represent Dirac distruibution as a combination of derivatives of continuous functions?
94782
General relativity (gravitation) in time and one spatial dimension
18982
Does Quantum Mechanics assume space and time are continuous?