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Attention : l'accès aux ressources peut être restreint, soit pour des raisons juridiques, soit par la volonté de l'auteur.
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Tri :
Date de référencement
Editeur
Auteur
Titre
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Burkhard Wilking - Manifolds with almost nonnegative curvature operator
[Ressource pédagogique]
Date de publication :
20160629 |
Auteur(s) :
WILKING Burkhard |
Editeur(s) :
Bastien Fanny |
Origine de la fiche :
Canal-u.fr
We show that n-manifolds with a lower volume bound v and upper diameter bound D whose curvature operator is bounded below by $-varepsilon(n,v,D)$ also admit metrics with nonnegative curvature operator. The proof relies on heat kernel estimates for the Ricci flow and shows that various smoothing properties of the Ricci flow remain valid if an upper curvature bound is replaced by a lower volume boun...
Référencé le :
20-09-2016
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Vladimir Markovic - Harmonic quasi-isometries between negatively curved manifolds
[Ressource pédagogique]
Date de publication :
20160628 |
Auteur(s) :
MARKOVIC Vladimir |
Editeur(s) :
Bastien Fanny |
Origine de la fiche :
Canal-u.fr
Very recently, Markovic, Lemm-Markovic and Benoist-Hulin, established the existence of a harmonic mapping in the homotopy class of an arbitrary quasi-isometry between rank 1 symmetric spaces. I will discuss these results and the more general conjecture which states that this result holds for quasi-isometries between negatively curved manifolds and metric spaces....
Référencé le :
20-09-2016
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Sylvain Maillot - An introduction to open 3-manifolds (Part 4)
[Ressource pédagogique]
Date de publication :
20160616 |
Auteur(s) :
MAILLOT Sylvain |
Editeur(s) :
Bastien Fanny |
Origine de la fiche :
Canal-u.fr
W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds remainmuch more mysterious. There is a series of examples,beginning with work of L. Antoine and J. H. C....
Référencé le :
20-09-2016
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Sylvain Maillot - An introduction to open 3-manifolds (Part 3)
[Ressource pédagogique]
Date de publication :
20160615 |
Auteur(s) :
MAILLOT Sylvain |
Editeur(s) :
Bastien Fanny |
Origine de la fiche :
Canal-u.fr
W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds remainmuch more mysterious. There is a series of examples,beginning with work of L. Antoine and J. H. C....
Référencé le :
20-09-2016
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Sylvain Maillot - An introduction to open 3-manifolds (Part 2)
[Ressource pédagogique]
Date de publication :
20160614 |
Auteur(s) :
MAILLOT Sylvain |
Editeur(s) :
Bastien Fanny |
Origine de la fiche :
Canal-u.fr
W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds remainmuch more mysterious. There is a series of examples,beginning with work of L. Antoine and J. H. C....
Référencé le :
20-09-2016
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Sylvain Maillot - An introduction to open 3-manifolds (Part 1)
[Ressource pédagogique]
Date de publication :
20160613 |
Auteur(s) :
MAILLOT Sylvain |
Editeur(s) :
Bastien Fanny |
Origine de la fiche :
Canal-u.fr
W. Thurston's geometrization program has lead to manyoutstanding results in 3-manifold theory. Thanks to worksof G. Perelman, J. Kahn and V. Markovic, D. Wise, and I. Agol among others, compact 3-manifolds can now beconsidered to be reasonably well-understood.By contrast, noncompact 3-manifolds remainmuch more mysterious. There is a series of examples,beginning with work of L. Antoine and J. H. C....
Référencé le :
20-09-2016
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Greg McShane - Volumes of hyperbolics manifolds and translation distances
[Ressource pédagogique]
Origine de la fiche :
Canal-u.fr
Schlenker and Krasnov have established a remarkable Schlaffli-type formula for the (renormalized) volume of a quasi-Fuchsian manifold. Using this, some classical results in complex analysis and Gromov-Hausdorff convergence for sequences of open 3-manifolds due to Brock-Bromberg one obtains explicit upper bounds for the volume of a mapping torus in terms of the translation distance of the monodrom...
Référencé le :
20-09-2016
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