papers
Publications (12)
astro-ph2009
Band-power reconstruction of the primordial fluctuation spectrum by the maximum likelihood reconstruction method
Ryo Nagata, Jun'ichi Yokoyama
astro-ph.CO2016
Delensing Cosmic Microwave Background B-modes with the Square Kilometre Array Radio Continuum Survey
Toshiya Namikawa, Daisuke Yamauchi, Blake Sherwin +1
astro-ph2008
Constraints on the time variation of the fine structure constant by the 5-year WMAP data
Masahiro Nakashima, Ryo Nagata, Jun'ichi Yokoyama
cs.CL2019
Cross-Corpora Evaluation and Analysis of Grammatical Error Correction Models --- Is Single-Corpus Evaluation Enough?
Masato Mita, Tomoya Mizumoto, Masahiro Kaneko +2
astro-ph.CO2015
Non-Gaussian Structure of B-mode Polarization after Delensing
Toshiya Namikawa, Ryo Nagata
astro-ph2003
WMAP constraints on scalar-tensor cosmology and the variation of the gravitational constant
Ryo Nagata, Takeshi Chiba, Naoshi Sugiyama
astro-ph2002
Observational Consequences of Evolution of Primordial Fluctuations in Scalar-Tensor Cosmology
Ryo Nagata, Takeshi Chiba, Naoshi Sugiyama
astro-ph.CO2014
Lensing reconstruction from a patchwork of polarization maps
Toshiya Namikawa, Ryo Nagata
astro-ph.CO2009
Cosmic Discordance: Detection of a modulation in the primordial fluctuation spectrum
Kiyotomo Ichiki, Ryo Nagata, Jun'ichi Yokoyama
astro-ph2008
Single-field inflation, anomalous enhancement of superhorizon fluctuations, and non-Gaussianity in primordial black hole formation
Ryo Saito, Jun'ichi Yokoyama, Ryo Nagata
astro-ph2008
Reconstruction of the primordial fluctuation spectrum from the five-year WMAP data by the cosmic inversion method with band-power decorrelation analysis
Ryo Nagata, Jun'ichi Yokoyama
astro-ph.CO2009
Constraining the time variation of the coupling constants from cosmic microwave background: effect of Î_{QCD}
Masahiro Nakashima, Kazuhide Ichikawa, Ryo Nagata +1