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math.OC2022
Strong Stationarity Conditions for Optimal Control Problems Governed by a Rate-Independent Evolution Variational Inequality
Martin Brokate, Constantin Christof
We prove strong stationarity conditions for optimal control problems that are governed by a prototypical rate-independent evolution variational inequality, i.e., first-order necess…
cs.LG2022★ 1 cited
On the Omnipresence of Spurious Local Minima in Certain Neural Network Training Problems
Constantin Christof, Julia Kowalczyk
We study the loss landscape of training problems for deep artificial neural networks with a one-dimensional real output whose activation functions contain an affine segment and who…