Search Results for author: Nadejda Drenska

Found 5 papers, 1 papers with code

Consistency of semi-supervised learning, stochastic tug-of-war games, and the p-Laplacian

1 code implementation15 Jan 2024 Jeff Calder, Nadejda Drenska

In this paper we give a broad overview of the intersection of partial differential equations (PDEs) and graph-based semi-supervised learning.

Asymptotically optimal strategies for online prediction with history-dependent experts

no code implementations31 Aug 2020 Jeff Calder, Nadejda Drenska

The prediction problem is played (in part) over a discrete graph called the $d$ dimensional de Bruijn graph, where $d$ is the number of days of history used by the experts.

Online Prediction With History-Dependent Experts: The General Case

no code implementations31 Jul 2020 Nadejda Drenska, Jeff Calder

We consider the problem with history-dependent experts, in which each expert uses the previous $d$ days of history of the market in making their predictions.

Stock Prediction

A PDE Approach to the Prediction of a Binary Sequence with Advice from Two History-Dependent Experts

no code implementations24 Jul 2020 Nadejda Drenska, Robert V. Kohn

Compared to other recent applications of partial differential equations to prediction, ours has a new element: there are two timescales, since the recent history changes at every step whereas regret accumulates more slowly.

Stock Prediction

Prediction with Expert Advice: a PDE Perspective

no code implementations25 Apr 2019 Nadejda Drenska, Robert V. Kohn

Focusing on an appropriate continuum limit and using methods from optimal control, we characterize the value of the game as the viscosity solution of a certain nonlinear partial differential equation.

Math

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