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Geometric optimisation algorithms are developed that efficiently find the nearest low-rank correlation matrix. We show … nearest low-rank correlation matrix occurs as part of the calibration of multi-factor interest rate market models to … correlation. Keywords: geometric optimisation, correlation matrix, Rank, LIBOR market model …
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This paper presents a comprehensive extension of pricing two-dimensional derivatives depending on two barrier constraints. We assume randomness on the covariance matrix as a way of generalizing. We analyse common barrier derivatives, enabling us to study parameter uncertainty and the risk...
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The Integrated Postsecondary Data System contains a rich set of information about U.S. colleges and universities. As part of this information, institutions can identify a ``custom comparison group'' of peer institutions. 80% of the nearly 1500 institutions we consider in this work provided such...
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