4 papers · 1 filter
Feature weighting for data analysis via evolutionary simulation
Aris Daniilidis, Alberto Domínguez Corella, Philipp Wissgott
We analyze an algorithm for assigning weights prior to scalarization in discrete multi-objective problems arising from data analysis. The algorithm evolves weights (interpreted as…
A first-order condition for discrete-time distribution steering
Alberto Domínguez Corella, David González-Sánchez
We study a class of distribution-steering problems from a variational point of view. Under some differentiability assumptions, we derive necessary conditions for optimal Markov pol…
On the growth of nonconvex functionals at strict local minimizers
Alberto Domínguez Corella, Trí Minh Lê
We give new characterizations of growth conditions at strict local minimizers. The main characterizations are a variant of the so-called tilt stability property and an analog of th…
Mini-batch descent in semiflows
Alberto Domínguez Corella, Martín Hernández
This paper investigates the application of mini-batch gradient descent to semiflows (gradient flows). Given a loss function (potential), we introduce a continuous version of mini-b…