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Results tagged with general-relativity
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user 206319
A theory that describes how matter interacts dynamically with the geometry of space and time. It was first published by Einstein in 1915 and is currently used to study the structure and evolution of the universe, as well as having practical applications like GPS.
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The idea behind the geometrical description of a closed curved space
This question is about the idea of how to describe a curved space, I'm not asking for formulas because I've never studied this topic before.
Let's imagine an ant on a sphere, it will use two coordinat …
- 1,978
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answer
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Do we give a mathematical structure to the system or to its representation?
My professors taught me that in physics you have to make a mathematical representation of the physical system. Depending on what type of physics you are working on, the mathematical models change.
I …
- 1,978
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Curved space-time and metric tensor
I'm studying about curved spaces and I read that a manifold is flat if there a coordinate system such that the metric tensor is constant everywhere.
Then I also read that when the space-time tensor i …
- 1,978