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physics.soc-ph2026
Reliability-Aware Refinement of High-Resolution Human Mobility Origin-Destination Tables under Sparsity and Suppression
Yohei Shida, Ryosuke Susuta, Takuhiro Moriyama +1
High-resolution origin-destination (OD) tables derived from digital mobility traces can preserve fine-scale collective movement structure, but sampling, population expansion, and p…
math.ST2026
On large bandwidth matrix values kernel smoothed estimators for multi-index models
Taku Moriyama
The kernel smoothing with large bandwidth values causes oversmoothing or underfitting in general. However, when irrelevant variables are included, the corresponding large bandwidth…