Localisation

Adresses

Aix-Marseille Université
Institut de Mathématiques de Marseille (I2M) - UMR 7373
Site Saint-Charles : 3 place Victor Hugo, Case 19, 13331 Marseille Cedex 3
Site Luminy : Campus de Luminy - Case 907 - 13288 Marseille Cedex 9

Les groupes de travail

Les prochains groupes de travail de l'I2M

Événements passés

Surface singularities and planar contact structures

Surface singularities and planar contact structures

Marco Golla

22/04/2021    
14h00 - 15h00
Planar contact 3-manifolds, those supported by an open book with genus-0 pages, are fairly special. The goal of the talk is to show that the [...]
15 Avr

Local Kronecker-Weber

Zoé Yvon

Local Kronecker-Weber (AZ) V.1 Références : Corps Locaux by Jean-Pierre Serre (CL) and Algebraïsche Zahlentheorie by Jurgen Neukirch (AZ) [su_spacer size="20"] Site web: https://sites.google.com/view/samuele-anni/home/groupe-de-travail Notes et [...]
Efroymson's Approximation Theorem for globally subanalytic  functions

Efroymson's Approximation Theorem for globally subanalytic functions

Anna Valette

15/04/2021    
14h00 - 15h00
Efroymson's Approximation Theorem asserts that if f is a continuous semialgebraic mapping on a C^infinity semialgebraic submanifold M of ℝⁿ and if e : M→ℝ [...]
13 Avr

Reconstruction et étude du réseau de microtubules par imagerie de speckle

Philippe Roudot

13/04/2021    
14h00 - 15h00
La combinaison de nouvelles méthodes biochimiques, optiques et de traitement d'image permettent le suivie à haute résolution de la polymerization du cytosquelette et ouvre la [...]
Preordered groups and valued fields

Preordered groups and valued fields

Julie Decaup

08/04/2021    
14h00 - 15h00
In this talk, I will begin defining a valuation on a field. We will see that this defines a preorder on a group, and we [...]
Non-archimedean analogue of Wilkie's conjecture and point counting, from Pfaffian over subanalytic to Hensel minimal

Non-archimedean analogue of Wilkie's conjecture and point counting, from Pfaffian over subanalytic to Hensel minimal

Raf Cluckers

01/04/2021    
14h00 - 15h00
Point counting on definable sets in non-archimedean settings has many faces. (All mimicking some aspects of point counting in o-minimal settings.) For sets living in [...]
01 Avr

Group cohomology and Galois cohomology II

David Kohel

Group cohomology and Galois cohomology Références : Corps Locaux by Jean-Pierre Serre (CL) and Algebraïsche Zahlentheorie by Jurgen Neukirch (AZ)     Site web: https://sites.google.com/view/samuele-anni/home/groupe-de-travail Notes [...]
30 Mar

Modélisation mathématique des interactions tumeurs-système immunitaire: phase d'équilibre et d'échappement

Kokou Kevin Atsou

30/03/2021    
14h00 - 15h00
Les récents succès de l’immunothérapie pour le traitement du cancer ont mis en évidence l’importance des interactions entre les cellules tumorales et les cellules immunitaires. [...]
Lipschitz normal embedded surfaces & polar exploration

Lipschitz normal embedded surfaces & polar exploration

Lorenzo Fantini

25/03/2021    
14h00 - 15h00
Lipschitz geometry is a branch of singularity theory that studies a complex analytic germ (X,0) in (C^n,0) by equipping it with either one of two [...]
25 Mar

Group cohomology and Galois cohomology I

Samuele Anni

Group cohomology and Galois cohomology Références : Corps Locaux by Jean-Pierre Serre (CL) and Algebraïsche Zahlentheorie by Jurgen Neukirch (AZ)   Join Zoom Meeting https://univ-amu-fr.zoom.us/j/94588287791?pwd=Slp6TllkbEswVEl5SGtrbVJxbFZkQT09 [...]
Boundary of the Milnor fiber of a non-isolated Newton non degenerate surface singularity

Boundary of the Milnor fiber of a non-isolated Newton non degenerate surface singularity

Octave Curmi

18/03/2021    
14h00 - 15h00
Milnor fibers play a crucial role in the study of the topology of a singularity of surface. They correspond to the different possible smoothings of [...]
Kummer theory

Kummer theory

Bastien Pacifico

Kummer theory (CL) X.3 and (AZ) IV.3 Références : Corps Locaux by Jean-Pierre Serre (CL) and Algebraïsche Zahlentheorie by Jurgen Neukirch (AZ) [su_spacer size="20"] Site [...]
The Hasse-Arf theorem II

The Hasse-Arf theorem II

Leonardo Colò

The Hasse-Arf theorem (CL) V.4 - V.7 and (AZ) V.6 Références : Corps Locaux by Jean-Pierre Serre (CL) and Algebraïsche Zahlentheorie by Jurgen Neukirch (AZ) [...]
Lipschitz Normally Embedding and Moderately Discontinuous Homology

Lipschitz Normally Embedding and Moderately Discontinuous Homology

Xuan Viet Nhan Nguyen

11/03/2021    
14h00 - 15h00
In [1] J. Bobadilla et al introduced a homology called Moderately Discontinuous homology (MD-homology) in order to capture the homology of a given germ after [...]
On zeta functions, weighted blow-ups and some applications for quasi-homogeneous surface singularities

On zeta functions, weighted blow-ups and some applications for quasi-homogeneous surface singularities

Juan Viu-Sos

25/02/2021    
14h00 - 15h00
The Denef-Loeser topological and motivic zeta functions are analytic invariants of holomorphic map germs $f:{\mathbb C}^n\to {\mathbb C}$, which are usually computed from embedded resolutions [...]
The Hasse-Arf theorem I

The Hasse-Arf theorem I

Leonardo Colò

The Hasse-Arf theorem (CL) V.4 - V.7 and (AZ) V.6 Références : Corps Locaux by Jean-Pierre Serre (CL) and Algebraïsche Zahlentheorie by Jurgen Neukirch (AZ) [...]
Cᵐ solutions of semialgebraic equations and the Whitney extension problem

Cᵐ solutions of semialgebraic equations and the Whitney extension problem

Jean-Baptiste Campesato

18/02/2021    
14h00 - 15h00
We address the question of whether geometric conditions on the given data can be preserved by a solution in (1) the Whitney extension problem, which [...]
16 Fév

Lucas Curci . Modèles de migration cellulaire

Lucas Curci

16/02/2021    
14h00 - 15h00
TBA Cell migration models. Participer à la réunion Zoom https://univ-amu-fr.zoom.us/j/97207620584?pwd=dFo1K3IwVnBRNUY1emxYU1Z0cXhZQT09 ID de réunion : 972 0762 0584
Measuring the local non-convexity of real algebraic plane curves

Measuring the local non-convexity of real algebraic plane curves

Miruna-Stefana Sorea

11/02/2021    
14h00 - 15h00
We study the real Milnor fibre of real bivariate polynomial functions vanishing at the origin, with an isolated local minimum at this point. We work [...]
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