Estimating individual-level optimal causal interventions combining causal models and machine learning models. - Keisuke Kiritoshi; Tomonori Izumitani; Kazuki Koyama; Tomomi Okawachi; Keisuke Asahara; Shohei Shimizu (CD@KDD, 2021)

An index theorem for one-dimensional gapless non-unitary quantum walks. - Keisuke Asahara; Daiju Funakawa; Motoki Seki; Yohei Tanaka (Quantum Inf. Process., 2021)