Hikima, Yuya

6 publications

ICML 2025 Guided Zeroth-Order Methods for Stochastic Non-Convex Problems with Decision-Dependent Distributions Yuya Hikima, Hiroshi Sawada, Akinori Fujino

ICML 2025 Natural Perturbations for Black-Box Training of Neural Networks by Zeroth-Order Optimization Hiroshi Sawada, Kazuo Aoyama, Yuya Hikima

AAAI 2025 Zeroth-Order Methods for Nonconvex Stochastic Problems with Decision-Dependent Distributions Yuya Hikima, Akiko Takeda

AAAI 2023 An Improved Approximation Algorithm for Wage Determination and Online Task Allocation in Crowd-Sourcing Yuya Hikima, Yasunori Akagi, Hideaki Kim, Taichi Asami

IJCAI 2022 Online Matching with Controllable Rewards and Arrival Probabilities Yuya Hikima, Yasunori Akagi, Naoki Marumo, Hideaki Kim

AAAI 2021 Integrated Optimization of Bipartite Matching and Its Stochastic Behavior: New Formulation and Approximation Algorithm via Min-Cost Flow Optimization Yuya Hikima, Yasunori Akagi, Hideaki Kim, Masahiro Kohjima, Takeshi Kurashima, Hiroyuki Toda