Jan 23, 2002
Nonperturbative Approaches to String Theory
Dr. Washington Taylor, MIT
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In the mid-90's it was realized that the five consistent perturbative
superstring theories are all special limits of a more fundamental
underlying theory, often called M-theory. To date there is no
consistent nonperturbative background-independent definition of
M-theory or string theory. This talk describes two models which
represent partial solutions of this problem: matrix theory and string
field theory. Some of the successes, limitations, and future
prospects of these two approaches to nonperturbative string theory
will be discussed.
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