Publications ERC-ARThUs (09/2017 - 08/2023)



09/2017 - 08/2018 :

12 / 2017: 'Lagrangian theory of structure formation in relativistic cosmology. IV. Lagrangian approach to gravitational waves'
F. Al Roumi, T. Buchert and A. Wiegand,
Phys. Rev. D 96, 123538. (16 pages)

01 / 2018: 'On Backreaction in Newtonian cosmology'
T. Buchert,
Mon. Not. Roy. Astron. Soc. Letters 473, L46-L49. (4 pages)

06 / 2018: 'Is Dark Energy Simulated by Structure Formation in the Universe?'
T. Buchert,
Proceedings of Science EDSU2018 Conf-Id 335, 038. (8 pages)

08 / 2018: 'Lagrangian theory of structure formation in relativistic cosmology. V. Irrotational fluids'
Y.-Z. Li, P. Mourier, T. Buchert and D.L. Wiltshire,
Phys. Rev. D 98, 043507. (28 pages)

08 / 2018: 'Globally static and stationary inhomogeneous cosmologies'
F. Sartini,
Internship Report Master 1, May-July 2018, ENS Lyon (France). (23 pages)

08 / 2018: 'Averaged Inhomogeneous Cosmology: Fit to Supernovae without Dark Energy'
C. Desgrange,
Internship Report Licence 3, June-July 2018, UCB Lyon (France). (25 pages)


09/2018 - 08/2019 :

11 / 2018: 'Cosmological backreaction and its dependence on spacetime foliation'
T. Buchert, P. Mourier and X. Roy,
Class. Quant. Grav. 35, 24LT02. (9 pages)

03 / 2019: '4MOST Consortium Survey 8: Cosmology Redshift Survey (CRS)'
J. Richard, J.-P. Kneib, C. Blake, A. Raichoor, J. Comparat, T. Shanks, J. Sorce, M. Sahlén, C. Howlett, E. Tempel, R. McMahon, M. Bilicki, B. Roukema, J. Loveday, D. Pryer, T. Buchert and C. Zhao (for the CRS team),
The Messenger 175, 50. (4 pages)

04 / 2019: 'On the covariance of scalar averaging and backreaction in relativistic inhomogeneous cosmology'
A. Heinesen, P. Mourier and T. Buchert,
Class. Quant. Grav. 36, 075001. (20 pages)

05 / 2019: 'Topology and Geometry of Gaussian random fields I: on Betti Numbers, Euler characteristic and Minkowski functionals'
P. Pranav, R. van de Weygaert, G. Vegter, B.J.T. Jones, R.J. Adler, J. Feldbrugge, C. Park, T. Buchert and M. Kerber,
Mon. Not. Roy. Astron. Soc. 485, 4167. (42 pages)

06 / 2019: 'The environment-dependence of the growth of the most massive objects in the Universe'
K. Bolejko and J.J. Ostrowski,
Phys. Rev. D 99, 124036. (8 pages)

07 / 2019: 'Unexpected Topology of the Temperature Fluctuations in the Cosmic Microwave Background'
P. Pranav, R.J. Adler, T. Buchert, H. Edelsbrunner, B.J.T. Jones, A. Schwartzman, H. Wagner and R. van de Weygaert,
Astron. Astrophys. 627, A163. (30 pages)

07 / 2019: 'Dynamical spatial curvature as a fit to type Ia supernovae'
C. Desgrange, A. Heinesen and T. Buchert,
Int. J. Mod. Phys. D 28, 1950143. (23 pages)

08 / 2019: 'Dark Matter from Backreaction? Collapse models on galaxy cluster scales'
Q. Vigneron and T. Buchert,
Class. Quant. Grav. 36, 175006. (31 pages)

08 / 2019: 'Averaging in Newtonian Inhomogeneous Cosmology'
R. Faure,
Internship Report Master 1, May-July 2019, UCB Lyon (France). (29 pages)

08 / 2019: 'Characterization of an anomaly of the CMB in the standard LCDM model: Alignment of low-order multipoles with the ecliptic plane (in French)'
C. Richard,
Internship Report Licence 3, June-July 2019, UCB Lyon (France). (20 pages)

08 / 2019: 'The Inhomogeneous Radiation Cosmos'
S. Hirve,
Internship Report Licence 3, May-July 2019, ENS Lyon-IISER Pune (France-India). (5 pages)


09/2019 - 08/2020 :

09 / 2019: 'Inhomogeneous Relativistic Cosmology: nonperturbative models and spatial averaging of the Einstein equations'
P. Mourier,
PhD Thesis, HAL open archive 2019LYSE1116, tel-02299373 (198 pages)

09 / 2019: 'Stochastic Homology of Gaussian vs. non-Gaussian random fields: graphs towards Betti numbers and Persistence Diagrams'
J. Feldbrugge, M. van Engelen, R. van de Weygaert, P. Pranav and G. Vegter,
J. Cosmol. Astropart. Phys. 09, 052. (44 pages)

12 / 2019: 'Editorial Note to: On the Newtonian Limit of Einstein's Theory of Gravitation (by Jürgen Ehlers)'
T. Buchert and T. Mädler,
Gen. Rel. Grav. 51, 162. (24 pages)

12 / 2019: 'A few numbers from the turnaround epoch of collapse'
J.J. Ostrowski,
Proceedings of The 6th Conference of the Polish Society on Relativity, to appear. (4 pages)

01 / 2020: 'Channels for streaming instability in dusty discs'
E. Jaupart and G. Laibe,
Mon. Not. Roy. Astron. Soc. 492, 4591. (8 pages)

01 / 2020: 'Reduced phase space optics for general relativity: Symplectic ray bundle transfer'
N. Uzun,
Class. Quant. Grav. 37, 045002. (35 pages)

03 / 2020: 'On average properties of inhomogeneous fluids in General Relativity III: General Fluid Cosmologies'
T. Buchert, P. Mourier and X. Roy,
Gen. Rel. Grav. 52, 27. (73 pages)

08 / 2020: 'Solving the curvature and Hubble parameter inconsistencies through structure formation-induced curvature'
A. Heinesen and T. Buchert,
Class. Quant. Grav. 37, 164001. (21 pages)

08 / 2020: 'Spherically symmetric solutions of General Relativity: topological constraints on average properties'
M. Chatelain,
Internship Report Master 1, May-July 2020, ENS Lyon (France). (30 pages)

08 / 2020: 'Towards a topological conservation law in averaged Newtonian cosmologies'
N. Cohen,
Internship Report Licence 3, June-July 2020, ENS Lyon-EPFL Lausanne (France-Switzerland). (20 pages)


09/2020 - 08/2021 :

10 / 2020: 'The Hawking energy on the past light cone in cosmology'
D. Stock,
Class. Quant. Grav. 37, 215005. (11 pages)

10 / 2020: 'Gauss-Bonnet-Chern approach to the averaged Universe'
L. Brunswic and T. Buchert,
Class. Quant. Grav. 37, 215022. (41 pages)

10 / 2020: 'Cosmological homogeneity scale estimates are dressed'
A. Heinesen,
J. Cosmol. Astropart. Phys. 10, 052. (19 pages)

12 / 2020: '1+3 Formulation of Newton's equations'
Q. Vigneron,
Phys. Rev. D 102, 124005. (26 pages)

01 / 2021: 'Lagrangian theory of structure formation in relativistic cosmology. VI. Comparison with Szekeres exact solutions'
I. Delgado Gaspar and T. Buchert,
Phys. Rev. D 103, 023513. (29 pages)

01 / 2021: 'Multipole decomposition of redshift drift: Model-independent mapping of the expansion history of the Universe'
A. Heinesen,
Phys. Rev. D 103, 023537. (5 pages)

03 / 2021: 'The 1+3-Newton-Cartan system and Newton-Cartan cosmology'
Q. Vigneron,
Phys. Rev. D 103, 064064. (11 pages)

04 / 2021: 'A comparison theorem for cosmological lightcones'
M. Carfora and F. Familiari,
Lett. Math. Phys.111, 53. (19 pages)

04 / 2021: 'Redshift drift as a model-independent probe of dark energy'
A. Heinesen,
Phys. Rev. D 103, L081302. (7 pages)

05 / 2021: 'Multipole decomposition of the general luminosity distance Hubble law -- a new framework for observational cosmology'
A. Heinesen,
J. Cosmol. Astropart. Phys. 05, 008. (22 pages)

06 / 2021: 'Book Review: Computational topology for Biomedical Images and Data: Theory and applications'
P. Pranav,
IEEE Signal Processing Magazine 38, 130. (2 pages)

07 / 2021: 'Luminosity distance and anisotropic sky-sampling at low redshifts: a numerical relativity study'
H.J. Macpherson and A. Heinesen,
Phys. Rev. D 104, 023525. (20 pages)

08 / 2021: 'Backreaction and Virialization: Volume partitioning of inhomogeneous Newtonian cosmologies'
A. Bovon,
Internship Report Master 2, April-July 2021, ENS Lyon (France). (31 pages)

08 / 2021: 'Inhomogeneities and Anisotropies in the Universe analyzed with Supernovae of Type Ia'
A. Borderies,
Internship Report Master 1, May-July 2020, UCB Lyon (France). (22 pages)


09/2021 - 08/2022 :

09 / 2021: 'Influence of the topology in inhomogeneous cosmology through non-Euclidean extensions of Newton's theory and relativistic numerical schemes'
Q. Vigneron,
PhD Thesis, HAL open archive XX, tel-xxxxxxx (188 pages)

10 / 2021: 'Cauchy-compact flat spacetimes with extreme BTZ'
L. Brunswic,
Geometriae Dedicata 214, 571. (38 pages)

10 / 2021: 'Persistent homology of the cosmic web. I: Hierarchical topology in ΛCDM cosmologies'
G. Wilding, K. Nevenzeel, R. van de Weygaert, G. Vegter, P. Pranav, B.J.T. Jones, K. Efstathiou and J. Feldbrugge,
Mon. Not. Roy. Astron. Soc. 507, 2968. (23 pages)

10 / 2021: 'The variance of the CMB temperature gradient: a new signature of a multiply connected Universe'
R. Aurich, T. Buchert, M.J. France and F. Steiner,
Class. Quant. Grav. 38, 225005. (31 pages)

xx / 2021: 'Redshift drift cosmography for model-independent cosmological inference'
A. Heinesen,
Phys. Rev. D XX, submitted. (8 pages)

xx / 2021: 'Is backreaction in cosmology a relativistic effect? On the need for an extension of Newton's theory to non-Euclidean topologies'
Q. Vigneron,
Class. Quant. Grav. XX, submitted. (9 pages)

xx / 2021: 'Anomalies in the topology of the temperature fluctuations in the cosmic microwave background: An analysis of NPIPE and FFP10 data releases'
P. Pranav,
Astron. Astrophys. XX, accepted. (20 pages)

xx / 2021: 'Topology and geometry of Gaussian random fields II: on critical points, excursion sets, and persistent homology'
P. Pranav,
Mon. Not. Roy. Astron. Soc. XX, submitted. (29 pages)

xx / 2021: 'Minkowski Functionals of SDSS-III BOSS: Hints of possible anisotropy in the density field?'
S. Appleby, C. Park, P. Pranav, S.E. Hong, H.S. Hwang, J. Kim and T. Buchert,
Astrophys. J. XX, submitted. (30 pages)

xx / 2021: 'Hydrodynamic interpretation of generic squeezed coherent states: A kinetic theory'
N. Uzun,
Phys. Rev. E XX, submitted. (33 pages)

xx / 2021: 'A prediction for anisotropies in the nearby Hubble flow'
A. Heinesen and H.J. Macpherson,
J. Cosmol. Astropart. Phys. XX, submitted. (19 pages)

xx / 2021: 'On branched coverings of singular (G,X)-manifolds'
L. Brunswic,
Geometriae Dedicata XX, submitted. (35 pages)

xx / 2021: 'Alexandrov Theorem for 2+1 flat radiant spacetimes'
L. Brunswic,
Ann. Inst. Fourier XX, submitted. (56 pages)

xx / 2021: 'Estimation of expected Euler characteristic curves of nonstationary smooth Gaussian random fields'
F.J.E. Telschow, A. Schwartzman, D. Cheng and P. Pranav,
J. Am. Stat. Assoc. XX, submitted. (21 pages)

xx / 2021: 'The Yamabe gap: Inhomogeneity measure and morphological driver of cosmic expansion'
L. Brunswic and T. Buchert,
Phys. Rev. Lett. XX, in preparation. (5 pages)

xx / 2021: 'Note on the relative Yamabe invariant of punctured manifolds of non-positive type'
L. Brunswic,
xxxxx XX, in preparation. (5 pages)

xx / 2021: 'The averaging problem on the past null cone in inhomogeneous dust cosmologies'
T. Buchert, H.v. Elst and A. Heinesen,
Gen. Rel. Grav. XX, in preparation. (35 pages)

xx / 2021: 'Revisiting globally static and stationary cosmologies'
T. Buchert and F. Sartini,
Phil. Trans. Roy. Soc. London A XX, in preparation. (40 pages)

xx / 2021: 'Beyond relativistic Lagrangian perturbation theory: An exact-solution controlled model for structure formation'
I. Delgado Gaspar and T. Buchert,
Phys. Rev. D XX, in preparation. (12 pages)

xx / 2021: 'Lagrangian theory of structure formation in relativistic cosmology. VII. Information entropies, backreaction, and the Penrose conjecture'
T. Buchert and P. Mourier,
Phys. Rev. D XX, in preparation. (30 pages)


09/2022 - 08/2023 :






Dernière mise à Jour: Décembre 4, 2021

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