Introduction to Matrix Models and Non-Critical String Theory Akikazu ...
Introduction to Matrix Models and Non-Critical String Theory Akikazu ...
Introduction to Matrix Models and Non-Critical String Theory Akikazu ...
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87Airy integral has three saddle pointsSteepest descent con<strong>to</strong>ur hits only one of the saddles0pi/12 7pi/12 9pi/12 11pi/12 12pi/12231402314021 1100223 443304But as z is taken off axis, different saddle points appear<strong>and</strong> disappear (along the steepest descent con<strong>to</strong>ur)The locus on parameter space where contributing saddlesre-arrange themselves is called “s<strong>to</strong>ke’s line”