Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Emmanuel Humbert"'
Publikováno v:
Journal de l'École polytechnique — Mathématiques
Journal de l'École polytechnique — Mathématiques, 2022, Tome 9, pp.431--461. ⟨10.5802/jep.186⟩
Journal de l'École polytechnique — Mathématiques, 2022, Tome 9, pp.431--461. ⟨10.5802/jep.186⟩
Given any measurable subset $\omega$ of a closed Riemannian manifold $(M,g)$ and given any $T>0$, we define $\ell^T(\omega)\in[0,1]$ as the smallest average time over $[0,T]$ spent by all geodesic rays in $\omega$. This quantity appears naturally whe
Publikováno v:
International Journal of Geomechanics
International Journal of Geomechanics, American Society of Civil Engineers, 2021, 21 (12), ⟨10.1061/(ASCE)GM.1943-5622.0002200⟩
International Journal of Geomechanics, American Society of Civil Engineers, 2021, 21 (12), ⟨10.1061/(ASCE)GM.1943-5622.0002200⟩
Field monitoring programs (e.g., convergence measurements and stress measurements in the support system) play an important role in following the response of the ground and of the support s...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::374a10f8253f3a888d19a7cb94702e77
https://hal.archives-ouvertes.fr/hal-03409430
https://hal.archives-ouvertes.fr/hal-03409430
Publikováno v:
Challenges and Innovations in Geomechanics. IACMAG 2021. Lecture Notes in Civil Engineering, vol 126. Springer
Challenges and Innovations in Geomechanics. IACMAG 2021. Lecture Notes in Civil Engineering, vol 126. Springer, pp.403-410, 2021, ⟨10.1007/978-3-030-64518-2_48⟩
Challenges and Innovations in Geomechanics ISBN: 9783030645175
Challenges and Innovations in Geomechanics. IACMAG 2021. Lecture Notes in Civil Engineering, vol 126. Springer, pp.403-410, 2021, ⟨10.1007/978-3-030-64518-2_48⟩
Challenges and Innovations in Geomechanics ISBN: 9783030645175
International audience; A squeezing Carboniferous formation was met at a depth of 300 m during the excavation of the Saint-Martin-la-Porte access gallery (SMP2) in France within the Lyon-Turin railway link project. Large, time-dependent and anisotrop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c108545d1a775f18ccd68e43a2053816
https://hal.archives-ouvertes.fr/hal-03153229
https://hal.archives-ouvertes.fr/hal-03153229
Publikováno v:
Communications in Partial Differential Equations
Communications in Partial Differential Equations, 2019, 44 (9), pp.749--772. ⟨10.1080/03605302.2019.1581799⟩
Communications in Partial Differential Equations, Taylor & Francis, 2019, 44 (9), pp.749--772. ⟨10.1080/03605302.2019.1581799⟩
Communications in Partial Differential Equations, 2019, 44 (9), pp.749--772. ⟨10.1080/03605302.2019.1581799⟩
Communications in Partial Differential Equations, Taylor & Francis, 2019, 44 (9), pp.749--772. ⟨10.1080/03605302.2019.1581799⟩
International audience; We consider the wave equation on a closed Riemannian manifold. We observe the restriction of the solutions to a measurable subset $\omega$ along a time interval $[0, T]$ with $T>0$. It is well known that, if $\omega$ is open a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5441a07f634861da85080062d8d68d8a
https://hal.science/hal-01338016v4/file/HPT_obs.pdf
https://hal.science/hal-01338016v4/file/HPT_obs.pdf
Autor:
Emmanuel Humbert, Andreas Hermann
Let M be a compact manifold of dimension n . In this paper, we introduce the Mass Function a ≥ 0 ↦ X + M ( a ) (resp. a ≥ 0 ↦ X − M ( a ) ) which is defined as the supremum (resp. infimum) of the masses of all metrics on M whose Yamabe cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ef2fd6d3777370ed490aed8a0ac880a
https://hal.archives-ouvertes.fr/hal-01818684
https://hal.archives-ouvertes.fr/hal-01818684
Autor:
Emmanuel Humbert, Andreas Hermann
Publikováno v:
From Riemann to Differential Geometry and Relativity ISBN: 9783319600383
The Positive Mass Conjecture for asymptotically flat Riemannian manifolds is a famous open problem in geometric analysis. In this article we consider a variant of this conjecture, namely the Positive Mass Conjecture for closed Riemannian manifolds. W
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68e3aba1a05bfd81bdcdb9094d20adf9
https://doi.org/10.1007/978-3-319-60039-0_17
https://doi.org/10.1007/978-3-319-60039-0_17
Publikováno v:
Annales de l'Institut Fourier
Annales de l'Institut Fourier, Association des Annales de l'Institut Fourier, 2014, 64 (2), pp.467-487
Annales de l'Institut Fourier, Association des Annales de l'Institut Fourier, 2014, 64 (2), pp.467-487
International audience; We prove that the mass endomorphism associated to the Dirac operator on a Riemannian manifold is non-zero for generic Riemannian metrics. The proof involves a study of the mass endomorphism under surgery, its behavior near met
Autor:
Emmanuel Humbert, Andreas Hermann
Let $(M,g)$ be a closed Riemannian manifold of dimension $n \geq 3$ and let $f\in C^{\infty}(M)$, such that the operator $P_f:= \Delta_g+f$ is positive. If $g$ is flat near some point $p$ and $f$ vanishes around $p$, we can define the mass of $P_f$ a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::383a9ee60e56e08442c6d864cfe69475
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/45341
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/45341
Publikováno v:
Tunnelling and Underground Space Technology. 30:25-37
Mechanisms of face collapse and face blow-out of tunnels driven in soft grounds with pressurized shield tunnel boring machine are studied. Results presented are issued from several tests carried out with an original laboratory reduced-scale model of
Autor:
Emmanuel Humbert, Mattias Dahl
Publikováno v:
Journal of Geometry and Physics. 61:1809-1822
Let g be a metric on S(3) with positive Yamabe constant. When blowing up g at two points, a scalar flat manifold with two asymptotically flat ends is produced and this manifold will have compact mi ...