Kazuya Koyama - Dissemin

All papers authored by Kazuya Koyama

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2020 Michael Kenna-Allison

, A. Emir Gümrükçüoğlu

, Kazuya Koyama

Stable cosmology in generalized massive gravity

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Chiaki Hikage, Kazuya Koyama

, Ryuichi Takahashi

Perturbation theory for the redshift-space matter power spectra after reconstruction

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Hiromu Ogawa, Tsutomu Kobayashi, Kazuya Koyama

Relativistic stars in a cubic Galileon universe

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Alejandro Aviles, Kazuya Koyama

, Jorge L. Cervantes-Cota, Hans A. Winther, Baojiu Li

Marked correlation functions in perturbation theory

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Baojiu Li, Kazuya Koyama

Modified Gravity

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2019 Hans A. Winther

, Santiago Casas, Marco Baldi, Kazuya Koyama

, Baojiu Li, Lucas Lombriser, Gong-Bo Zhao

Emulators for the nonlinear matter power spectrum beyond ΛCDM

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Obinna Umeh, Kazuya Koyama

The galaxy bias at second order in general relativity with non-Gaussian initial conditions

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Benjamin Bose, Kazuya Koyama

, Hans A. Winther

Assessing non-linear models for galaxy clustering III: theoretical accuracy for stage IV surveys

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Bill S. Wright, Kazuya Koyama

, Hans A. Winther, Gong-Bo Zhao

Investigating the degeneracy between modified gravity and massive neutrinos with redshift-space distortions

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Andrius Tamosiunas, David Bacon, Kazuya Koyama

, Robert C. Nichol

Testing emergent gravity on galaxy cluster scales

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Michael Kenna-Allison, A. Emir Gümrükçüoǧlu, Kazuya Koyama

Viability of bigravity cosmology

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Obinna Umeh, Kazuya Koyama

, Roy Maartens, Fabian Schmidt, Chris Clarkson

General relativistic effects in the galaxy bias at second order

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A. Emir Gümrükçüoğlu, Kazuya Koyama

Generalizing the matter coupling in massive gravity: A search for new interactions

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Noemi Frusciante, Ryotaro Kase, Kazuya Koyama

, Shinji Tsujikawa, Daniele Vernieri

Tracker and scaling solutions in DHOST theories

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M. Crisostomi, K. Koyama

, D. Langlois, K. Noui, D. A. Steer

Cosmological evolution in DHOST theories

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Christian Fidler, Alexander Kleinjohann, Thomas Tram, Cornelius Rampf, Kazuya Koyama

A new approach to cosmological structure formation with massive neutrinos

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Juan Espejo, Simone Peirone, Marco Raveri, Kazuya Koyama

, Levon Pogosian, Alessandra Silvestri

Phenomenology of large scale structure in scalar-tensor theories: Joint prior covariance of wDE , Σ , and μ in Horndeski theories

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2018 Emanuela Dimastrogiovanni, Matteo Fasiello, Robert J. Hardwick, Hooshyar Assadullahi, Kazuya Koyama

, David Wands

Non-Gaussianity from axion-gauge fields interactions during inflation

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Kazuya Koyama

, Obinna Umeh, Roy Maartens, Daniele Bertacca

The observed galaxy bispectrum from single-field inflation in the squeezed limit

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Thomas E. Collett

, Lindsay J. Oldham

, Russell J. Smith, Matthew W. Auger, Kyle B. Westfall

, David Bacon

, Robert C. Nichol, Karen L. Masters

, Kazuya Koyama

, Remco van den Bosch

A precise extragalactic test of General Relativity

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All papers authored by Kazuya Koyama