Search Results for author: Spiridon Penev

Found 3 papers, 0 papers with code

LegendreTron: Uprising Proper Multiclass Loss Learning

no code implementations27 Jan 2023 Kevin Lam, Christian Walder, Spiridon Penev, Richard Nock

Existing methods do this by fitting an inverse canonical link function which monotonically maps $\mathbb{R}$ to $[0, 1]$ to estimate probabilities for binary problems.

The impact of model risk on dynamic portfolio selection under multi-period mean-standard-deviation criterion

no code implementations5 Aug 2021 Spiridon Penev, Pavel V. Shevchenko, Wei Wu

In the worst case scenario, the optimal robust strategy can be obtained in a semi-analytical form as a solution of a system of nonlinear equations.

Myopic robust index tracking with Bregman divergence

no code implementations21 Aug 2019 Spiridon Penev, Pavel Shevchenko, Wei Wu

Typically, a quadratic function is used to define the tracking error of a portfolio and the look back approach is applied to solve the index tracking problem.

Asset Management

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