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Finance
Grandes Dimensions- 8 octobre 2007
Emmanuel Bacry
"recent results about the largest eigenvalue of random covariance matrices and statistical results"
de Noureddine El Karoui
Grandes dimension - 12 novembre 2007
Alfred Galichon
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Diaconis "Patterns in Eigenvalues : The 70th Josiah Willard Gibbs lectures." (2003)
Market indifference prices and illiquidity
Peter Bank
Market indifference prices and illiquidity (joint work with Dmitry Kramkov, Carnegie Mellon and Oxford Universities)
We study a nonlinear financial model where a ’large’ investor submits his orders to a number of market makers. The quoted prices are determined by the unique Pareto optimal allocation which fills the order and leaves each market makers’ utility unchanged. We show how these market indifference prices can be described as the unique solution to a nonlinear SDE and discuss some (...)
