Volume of 3-Torus: Formula and Calculations

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In summary, physicists are exploring the possibility of the universe being a 3-torus, but the volume cannot be determined based on topology alone. The volume of a flat torus is the product of its three circumferences. The general formula for the volume of an n-ball can be found on Wikipedia, and it is unclear if there is a similar formula for the n-torus.
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novice_hack
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I have recently read that physicists are exploring the possibility that the universe is a 3-torus. I have been trying to find the formula for the volume of a three-torus online but cannot find it. Can anyone tell me the formula?
 
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This statement refers just to the topology. You cannot fix the volume given topology only. In the case of a flat torus, the volume would just be the product of the circumference in its three directions.
 
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Thanks for your answer. I was looking for something like the general formula for the volume of an n-ball, which is given here:

https://en.wikipedia.org/wiki/N-sphere

I am not sure whether there would be an analogous formula for the n-torus?
 

What is a 3-torus?

A 3-torus, also known as a three-dimensional torus, is a geometric shape that resembles a donut with three holes. It is a three-dimensional version of a torus, which is a surface of revolution created by rotating a circle in three-dimensional space.

How is the volume of a 3-torus calculated?

The formula for calculating the volume of a 3-torus is 8π²R³, where R is the radius of the torus. This formula takes into account the three holes in the torus and is derived from the formula for the volume of a three-dimensional solid of revolution.

Can the volume of a 3-torus be calculated by hand?

Yes, the volume of a 3-torus can be calculated by hand using the formula 8π²R³. However, it may be easier to use a calculator or computer program for more complex calculations.

What units are used to measure the volume of a 3-torus?

The units used to measure the volume of a 3-torus will depend on the units used to measure the radius, R. For example, if the radius is measured in meters, the volume will be measured in cubic meters.

Can the volume of a 3-torus be visualized?

Yes, the volume of a 3-torus can be visualized using mathematical models and computer simulations. It can also be represented in physical form using 3D printing technology.

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