What is time in string/M-theory and Four-dimensionalism?

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SUMMARY

String theory posits a ten-dimensional spacetime comprising nine spatial dimensions and one time dimension, while M-theory extends this to eleven dimensions. The debate surrounding Three vs Four-dimensionalism is relevant to string theory, as it challenges the conventional understanding of time and objects having temporal parts. The additional six or seven dimensions in these theories are primarily hypothesized for mathematical consistency and remain unobserved in experimental settings.

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  • Understanding of string theory and M-theory
  • Familiarity with the concepts of dimensionality in physics
  • Knowledge of general relativity (GR) and spacetime
  • Basic grasp of philosophical implications of Three vs Four-dimensionalism
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  • Research the implications of ten-dimensional spacetime in string theory
  • Explore M-theory and its eleven-dimensional framework
  • Investigate the philosophical debates surrounding Three vs Four-dimensionalism
  • Study the mathematical consistency of additional dimensions in theoretical physics
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Physicists, philosophers of science, and students of theoretical physics interested in the complexities of time, dimensionality, and the implications of string and M-theories.

kodama
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TL;DR
concept of time
what is time according to string/M-theory

do objects in string theory also have temporal parts?

and how does the debate of Three vs Four-dimensionalism apply to string theory which posits 10/11 dimensions?
 
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What we experience as three spatial dimensions plus time, is the four dimensional spacetime of GR.
kodama said:
what is time according to string/M-theory
do objects in string theory also have temporal parts?
In string theory, spacetime is ten-dimensional (nine spatial dimensions, and one time dimension). In M-theory, spacetime is eleven-dimensional (ten spatial dimensions, and one time dimension).

kodama said:
... and how does the debate of Three vs Four-dimensionalism apply to string theory which posits 10/11 dimensions?
The extra 6/7 dimensions are hypothesised for mathematical consistency, and are not observed in experiments.
 

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