Eigenvalues of random normal matrices Random normal matrix model: - - PowerPoint PPT Presentation

eigenvalues of random normal matrices
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Eigenvalues of random normal matrices Random normal matrix model: - - PowerPoint PPT Presentation

Eigenvalues of random normal matrices Random normal matrix model: Droplets Example: concentric ellipses Local droplets 1 0.5 -1.5 -1 -0.5 0.5 -0.5 -1 hypotrochoids deltoid Definition: K is a local droplet if Hele-Shaw flow 1 0.5


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Eigenvalues of random normal matrices

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Random normal matrix model:

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Example:

Droplets

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concentric ellipses

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  • 1.5
  • 1
  • 0.5

0.5

  • 1
  • 0.5

0.5 1

Local droplets

hypotrochoids deltoid Definition: K is a local droplet if

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Hele-Shaw flow

  • 1.5
  • 1
  • 0.5

0.5

  • 1
  • 0.5

0.5 1

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S-function and local droplets

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Two pieces of the dynamics

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?-function as conformal welding (mating)

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centaurs

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Examples of QDs

bounded

unbounded

d=0 d=1 d=1 limacons Neumann ovals wings d=2 inversion

bounded

. . . . .

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Example: 7 cardioids in ellipse

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Connectivity bounds

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Examples

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Comments:

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Bers slice for hexagonal torus

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Inside the droplet

  • Convergence of fluctuations to a Gaussian field. Use of

RNM model to approximate various objects related to GFF

  • Universality laws at regular points in the bulk and

boundary, some types of singular points in the bulk

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References

  • Based on joint work with Seung Yeop Lee. I thank

Seung Yeop for pictures and crucial contributions

  • Use of conformal dynamics was inspired by a paper by

Khavinson and Swiatek

  • Interesting analogy with some work in dimer model

(Kenyon, Okounkov, Sheffield)