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10 papers · 1 filter
LassoLayer: Nonlinear Feature Selection by Switching One-to-one Links
Akihito Sudo, Teng Teck Hou, Masaki Yamaguchi +1
Along with the desire to address more complex problems, feature selection methods have gained in importance. Feature selection methods can be classified into wrapper method, filter…
Proton radiation hardness of X-ray SOI pixel sensors with pinned depleted diode structure
Mitsuki Hayashida, Kouichi Hagino, Takayoshi Kohmura +19
X-ray SOI pixel sensors, "XRPIX", are being developed for the next-generation X-ray astronomical satellite, "FORCE". The XRPIX are fabricated with the SOI technology, which makes i…
Phase transition and exponential growth of the local polarization in CaxBa1-xNb2O6 ferroelectric
Desheng Fu, Kensuke Fukusawa
CaxBa1-xNb2O6 (CBN) ferroelectric is isostructural with SrxBa1-xNb2O6 (SBN) that is a prototypical ferroelectric of tetragonal tungsten bronze (TTB) structure, but shows a much hig…
Conditions for the existence of zero-determinant strategies under observation errors in repeated games
Azumi Mamiya, Daiki Miyagawa, Genki Ichinose
Repeated games are useful models to analyze long term interactions of living species and complex social phenomena. Zero-determinant (ZD) strategies in repeated games discovered by…
Detailed Design of the Science Operations for the XRISM mission
Yukikatsu Terada, Matt Holland, Michael Loewenstein +36
XRISM is an X-ray astronomical mission by the JAXA, NASA, ESA and other international participants, that is planned for launch in 2022 (Japanese fiscal year), to quickly restore hi…
Changes in the b value in and around the focal areas of the M6.9 and M6.8 earthquakes off the coast of Miyagi prefecture, Japan, in 2021
K. Z. Nanjo, A. Yoshida
We investigated changes in the b value of the Gutenberg-Richter's law in and around the focal areas of earthquakes on March 20 and on May 1, 2021, with magnitude (M) 6.9 and 6.8, r…