Papers - Takahashi Ryuichi
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Covariance of the redshift-space matter power spectrum after reconstruction
Chiaki Hikage, Ryuichi Takahashi, Kazuya Koyama
Physical Review D ( 102 ) 083514 2020.9
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Accurate emulator for the redshift-space power spectrum of dark matter halos and its application to galaxy power spectrum
Yosuke Kobayashi, Takahiro Nishimichi, Masahiro Takada, Ryuichi Takahashi, Ken Osato
Physical Review D ( 102 ) 063504 2020.9
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Probing Dark Low-mass Halos and Primordial Black Holes with Frequency-dependent Gravitational Lensing Dispersions of Gravitational Waves
Masamune Oguri, Ryuichi Takahashi
The Astrophysical Journal ( 901 ) 58 2020.9
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Fitting the Nonlinear Matter Bispectrum by the Halofit Approach
Ryuichi Takahashi, Takahiro Nishimichi, Toshiya Namikawa, Atsushi Taruya, Issha Kayo, Ken Osato, Yosuke Kobayashi, Masato Shirasaki
The Astrophysical Journal ( 895 ) 113 2020.6
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The weak lensing bispectrum induced by gravity
D. Munshi, T. Namikawa, T. D. Kitching, J. D. McEwen, R. Takahashi, F. R. Bouchet, A. Taruya, B. Bose
Monthly Notices of the Royal Astronomical Society ( 493 ) 3985 2020.4
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Cross-correlation of the thermal Sunyaev-Zel'dovich effect and weak gravitational lensing: Planck and Subaru Hyper Suprime-Cam first-year data
Ken Osato, Masato Shirasaki, Hironao Miyatake, Daisuke Nagai, Naoki Yoshida, Masamune Oguri, Ryuichi Takahashi
Monthly Notices of the Royal Astronomical Society 492 ( 4 ) 4780 - 4804 2020.3
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Perturbation theory for the redshift-space matter power spectra after reconstruction
Chiaki Hikage, Kazuya Koyama, Ryuichi Takahashi
Physical Review D 101 ( 4 ) 043510 2020.2
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Cosmological information content in redshift-space power spectrum of SDSS-like galaxies in the quasinonlinear regime up to k =0.3 h Mpc-1
Yosuke Kobayashi, Takahiro Nishimichi, Masahiro Takada, Ryuichi Takahashi
Physical Review D 101 ( 2 ) 023510 2020.1
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Dark Quest. I. Fast and Accurate Emulation of Halo Clustering Statistics and Its Application to Galaxy Clustering
Takahiro Nishimichi, Masahiro Takada, Ryuichi Takahashi, Ken Osato, Masato Shirasaki, Taira Oogi, Hironao Miyatake, Masamune Oguri, Ryoma Murata, Yosuke Kobayashi, Naoki Yoshida
The Astrophysical Journal 884 ( 1 ) 2019.10
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Mock galaxy shape catalogues in the Subaru Hyper Suprime-Cam Survey
Masato Shirasaki, Takashi Hamana, Masahiro Takada, Ryuichi Takahashi, Hironao Miyatake
Monthly Notices of the Royal Astronomical Society 486 ( 1 ) 52 - 69 2019.6
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CMB lensing bispectrum: Assessing analytical predictions against full-sky lensing simulations
Toshiya Namikawa, Benjamin Bose, Francois R. Bouchet, Ryuichi Takahashi, Atsushi Taruya
Physical Review D 99 ( 6 ) 063511 2019.3
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Covariances for cosmic shear and galaxy-galaxy lensing in the response approach
Ryuichi Takahashi, Takahiro Nishimichi, Masahiro Takada, Masato Shirasaki, Kosei Shiroyama
Monthly Notices of the Royal Astronomical Society 482 ( 3 ) 4253 - 4277 2019.1
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Impact of nonlinear growth of the large-scale structure on CMB B-mode delensing
Toshiya Namikawa, Ryuichi Takahashi
Physical Review D 99 ( 2 ) 023530 2019.1
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Constraints on the Mass–Richness Relation from the Abundance and Weak Lensing of SDSS Clusters
R. Murata, T. Nishimichi, M. Takada, H. Miyatake, M. Shirasaki, S. More, R. Takahashi, K. Osato
The Astrophysical Journal 2018.2
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The first-year shear catalog of the Subaru Hyper Suprime-Cam Subaru Strategic Program Survey
R. Mandelbaum, H. Miyatake, T. Hamana, M. Oguri, M. Simet, R. Armstrong, J. Bosch, R. Murata, F. Lanusse, A. Leauthaud, J. Coupon, S. More, M. Takada, S. Miyazaki, J.S. Speagle, M. Shirasaki, C. Sifon, S. Huang, A.J. Nishizawa, E. Medezinski, Y. Okura, N. Okabe, N. Czakon, R. Takahashi, W. Coulton, C. Hikage, Y. Komiyama, R.H. Lupton, M.A. Strauss, M. Tanaka, Y. Utsumi
Publications of the Astronomical Society of Japan 2018.1
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Full-sky Gravitational Lensing Simulation for Large-area Galaxy Surveys and Cosmic Microwave Background Experiments
R. Takahashi, T. Hamana, M. Shirasaki, T. Namikawa, T. Nishimichi, K. Osato, K. Shiroyama
The Astrophysical Journal 2017.11
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Robust covariance estimation of galaxy-galaxy weak lensing: validation and limitation of jackknife covariance
M. Shirasaki, M. Takada, H. Miyatake, R. Takahashi, T. Hamana, T. Nishimichi, R. Murata
Monthly Notices of the Royal Astronomical Society 2017.9
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Arrival Time Differences between Gravitational Waves and Electromagnetic Signals due to Gravitational Lensing
Ryuichi Takahashi
The Astrophysical Journal 2017.1
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The Subaru FMOS galaxy redshift survey (FastSound). IV. New constraint on gravity theory from redshift space distortions at z~1.4
T. Okumura, C. Hikage, T. Totani, M. Tonegawa, H. Okada, K. Glazebrook, C. Blake, P.G. Ferreira, S. More, A. Taruya, S. Tsujikawa, M. Akiyama, G. Dalton, T. Goto, T. Ishikawa, F. Iwamuro, T. Matsubara, T. Nishimichi, K. Ohta, I. Shimizu, R. Takahashi, N. Takato, N. Tamura, K. Yabe, N. Yoshida
Publications of the Astronomical Society of Japan 2016.6
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Constraints on small-scale cosmological fluctuations from SNe lensing dispersion
Ido Ben-Dayan, Ryuichi Takahashi
Monthly Notices of the Royal Astronomical Society 1 ( 455 ) 552 - 562 2016.1