Iam new to string theory and extra dimensions.

Some string theories suggest objects with many dimensions, I was just wondering if the space they exist in has the same number of dimensions - and in general is it thought that real objects could exist in dimensional space with at least 1 more or less dimensions?

  • $\begingroup$ What do you mean "real objects"? And why would a line not be able to live on a sphere? An object of dimensions d can live in any D-dimensional space as long as d is less than or equal to D obviously. I do not understand what physics you are looking for or where string theory gets involved. $\endgroup$ – Panos C. Apr 13 '18 at 10:04
  • $\begingroup$ @PanosC. I suppose my question is Does the space containing the objects of N dimensions have (or have to have) the same number of dimensions? I imagine string theorists will have thought about this in great detail? The dimensions we observe interact completely seemlessly and I havent tripped over a 2-dimensional (+time) object lately so I think a 2-dimensional (macroscopic) object cannot exist in a 3 dimensional space, for example. $\endgroup$ – user36093 Apr 13 '18 at 23:15
  • $\begingroup$ (If a 2D object can exist at all) $\endgroup$ – user36093 Apr 14 '18 at 13:54

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