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Title: Deep learning as optimal control: Models and numerical methods Authors:  Elena Celledoni - Norwegian University of Science and Technology (Norway) [presenting]
Abstract: Deep learning neural networks have been recently interpreted as discretisations of an optimal control problem subject to an ordinary differential equation constraint. We review the first order conditions for optimality, and the conditions ensuring optimality after discretization. This leads to a class of algorithms for solving the discrete optimal control problem which guarantee that the corresponding discrete necessary conditions for optimality are fulfilled. We discuss two different deep learning algorithms and make a preliminary analysis of the ability of the algorithms to generalise.