Lettre MODE
octobre 2014

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Table des matières

-- Thèses et Postes
1- PhD position in Continuous optimization, Goettingen
2- Post-Doc with Achdou and Benamou, Paris
3- Post-Doc position on Stochastic Equilibrium problems at Paris-Sud
4- Post-doctoral position in optimization at University of Calgary
5- Poste PR Optimisation-Contrôle-Imagerie-Problèmes inverses à Toulouse
6- Open Position, Mathematical Optimization, NAG, Oxford

-- Conférences et évènements
7- Annonces de séminaires
8- PGMO-COPI'14 registration till October 19th
9- Doc-Course 2015: Applied Mathematics and Optimization
10- BFG'15, Brittish-French-German Conference on Optimization, 15-17 June 2015, London

-- Autres
11- paru dans Quadrature : La géométrie du triangle et l'optimisation convexe font bon ménage

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1- PhD position in Continuous optimization, Goettingen
(source : M. Théra)

Applications are invited for a PhD POSITION in
CONTINUOUS OPTIMIZATION at the Institute for
Numerical and Applied Mathematics, University of Goettingen (Germany).

International collaboration: this is a joint project with Prof. Marc Teboulle
at Tel Aviv University, and affiliate researcher Shoham Sabach at the
Technion in Haifa. The broad themes to be explored involve analysis of
first-order methods for structured, nonconvex optimization.
The Isreali and German teams will meet approximately twice
a year (once in Isreal and once at Goettingen) to coordinate efforts, and
will be in close contact throughout the period of research.

Administrative information: The position is a scholarship position, and salary
conforms to the provisions of the TV-L E13 (federal rate, 75%, depending on
qualification and expertise). Schoarship duration is 3 years. The University
of Goettingen is committed to increasing the numbers of underrepresented
groups pursuing higher degrees.  The Institute for Applied and Numerical
Mathematics at Goettingen particularly strives to promote the careers of
women in the matheamtical sciences.

Start date: January 1, 2015 or as soon thereafter as possible.
Please send your application including relevant documents (cv, transcripts, names
and  contact information of recommenders) by November 7, 2014 to:
Prof. Dr. Russell Luke, r.luke@math.uni-goettingen.de

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2- Post-Doc with Achdou and Benamou, Paris
(source : M. Théra)

Please find at link below a proposal for a one-year postdoctoral position in  Paris :

https://team.inria.fr/mokaplan/files/2013/03/Post-Doc-Achdou-Benamou.pdf

Do not hesitate to circulate.

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3- Post-Doc position on Stochastic Equilibrium problems at Paris-Sud
(source : A. Lisser, M. Théra)

Applications are invited for a postdoctoral position on stochastic equilibrium
and bilevel problems at University Paris Sud.
For more information, please contact :

Abdel Lisser,
email : Abdel.Lisser@lri.fr

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4- Post-doctoral position in optimization at University of Calgary
(source : M. Théra)

As a part of Collaborative Research Group on Optimization: Theory, Applications and Algorithms
(http://www.pims.math.ca/scientific/collaborative-research-groups/optimization-theory-algorithms-and-applications-2012-2015),
partly funded by Pacific Institute for the Mathematical Sciences (PIMS), applications are invited
for a post-doctoral position in optimization at University of Calgary, Calgary AB Canada.
The position is for 1-year, with possible extension to 2 years, tentatively starting in Fall
2014 or Winter of 2015.

A successful candidate should hold or be close to completion of a PhD in Mathematics, Applied
Mathematics, Computer Science, Operations Research or related area.

Of primary interest are applicants interested in the following topics:
-       computational methods for solving conic optimization problems over p-cones, and/or
-       applications of optimization to optimal radiotherapy treatment planning, and/or
-       curvature of the central path.
Alternative PDF research proposals will also be considered.

The application documents, including research statement, short CV, and 3 reference letters, are to
be submitted by email to Dr. Yuriy Zinchenko (http://people.ucalgary.ca/~yzinchen/) at
yzinchen@ucalgary.ca with the subject line ?CRG PDF application?.

Some general information of PIMS PDF position and the application procedure may be found at
http://www.pims.math.ca/scientific/postdoctoral

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5- Poste PR Optimisation-Contrôle-Imagerie-Problèmes inverses à Toulouse
(source : J.-B. Hiriart-Urruty)

Un poste de Professeur sera vraisemblablement publié en 2015 à l'université Paul Sabatier de
Toulouse, dans les thématiques suivantes : Optimisation-Contrôle-Imagerie-Problèmes inverses.

Les candidats intéressés et motivés peuvent s'adresser aux collègues sur place, en particulier
à : J.-B. Hiriart-Urruty, F. Malgouyres, J.-P. Raymond et P. Bousquet (coordinateur).

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6- Open Position, Mathematical Optimization, NAG, Oxford
(source : D. Aussel)

The development team at The Numerical Algorithms Group(NAG) is seeking
an appropriate specialist in mathematical optimization (e.g. LP, QP,
NLP and Mixed Integer problems)...

- Experience of developing solvers for relevant problem types
- Strong programming skills in Fortran or C/C++
- Experience in applying optimization techniques to real-world
 problems
- A desire to apply skills in code development to a commercial
 environment
- An aptitude for helping practitioners to solve difficult problems
 efficiently
- Advanced degree in numerical analysis or similar

More information:
http://www.nag.com/about/careers/optimization-specialist

Closing date 1 November 2014

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7- Annonces de séminaires
(sources: T. Bayen, P.L. Combettes, V. Fruchard, J. Lamboley, B. Montjardet, A. Rondepierre, G. Vigeral)

Une rubrique pour signaler succinctement les séminaires ayant
lieu ce mois-ci et organisés dans nos laboratoires.
N'hésitez pas à l'alimenter, préférentiellement via un lien vers
la page du séminaire et une liste de conférenciers,

**
Séminaire Parisien d'Optimisation (IHP, salle 05 ou 421)

http://www.ljll.math.upmc.fr/~plc/spo.html

lundi 17 novembre :
14h : V. Millot (Paris Diderot)

**
**
Séminaire du programme PGMO, Amphi 2329 (ENSTA)

http://www.fondation-hadamard.fr/en/pgmo/seminar

**
**
Groupe de Travail CalVa (Univ. Paris-Dauphine, salle P303)

contact : lamboley@ceremade.dauphine.fr

lundi 13 octobre :
10h : C. Lena (Paris-Sud)
11h : F. Murat (Paris 6)
**
**
Séminaire Pluridisciplinaire d'Optimisation de Toulouse (lieu : voir site)

http://projects.laas.fr/spot/

Lundi 3 novembre :
14h : P. Cardaliaguet (U. Paris-Dauphine)
15h : C. Gruen (U. Toulouse 1)

**
**
Séminaire SAMOCOD (séminaire Avignon Montpellier Optimisation Contrôle et Dynamique)

jeudi 6 novembre (Université d'Avignon)
14h : P. Maréchal (U. paul Sabatier, Toulouse)
15h15 : A. Seeger (U. d'Avignon)

**
**
Séminaire Parisien de Théorie des Jeux (IHP, salle 05, 201 ou 314)

https://sites.google.com/site/theoriedesjeux/

lundi 13 octobre : E. Baldwin (Oxford)
lundi 27 octobre : M. Lombardi (Glasgow)

**
**
Séminaire de Mathématiques Discrètes, Optimisation et Décision, Centre d'Economie
de la Sorbonne et Université Paris 1

http://ces.univ-paris1.fr/membre/seminaire/MDOD/

vendredi 31 ocotbre : Journée spéciale en l'honneur de Bernard Monjardet
Vendredi 7 novembre : Journée OSGAD

**

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8- PGMO-COPI'14 registration till October 19th
(source : PGMO)

We have the pleasure to inform you that registrations for the PGMO-COPI Conference,
organised on 28-31 october at Ecole Polytechnique, Paris-Saclay France, are open
till October 19th.

You can register by following this link:
http://www.fondation-hadamard.fr/fr/pgmo-copi-14/registrations

A provisionnal program (which is still subject to changes) has been published.

The Gaspard Monge Program for Optimization and operations research (PGMO), launched
by EDF and the Jacques Hadamard Mathematical Foundation (FMJH), is a new type of
corporate patronage whose aim is to foster, liven up a mathematical community of
researchers coming from academia and industry, working in the field of optimization and
opera­tion research from academic themes to industrial issues.

The Conference on Optimization and Practices in Industry (COPI) is devoted to applied
op­timization techniques used in a wide range of industrial problems (energy, banking,
trans­portation and network management). The purpose is to bring together Academics
and Industrials to share different experiences and discuss future trends related to this area.
This year, a joint conference PGMO-COPI?14 will be held on October 28th to 31st 2014,
Ecole Polytechnique in Paris-Saclay. Both theoretical and practical issues will be considered.

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9- Doc-Course 2015: Applied Mathematics and Optimization
(source : J. Koko)

This activity is co-organized by the Basque Center for Applied Mathematics (BCAM), the University
of the Basque Country (UPV-EHU) and the Institute of Mathematics of the University of Sevilla (IMUS).
It is addressed to beginner and intermediate graduate students from institutions all over the world
interested in Applied Mathematics, Optimization and related areas. Official language is English and
participants will receive a  diploma of the organizing institutions certifying good performance.

The Doc-Course is a twelve-weeks intensive school from 2nd March till 29th May, 2015 and it consists
of four weeks of courses in Seville, 6 weeks of research activity under the guidance of specialized
supervisors and two Workshops (the 5th week in Seville and the last week in Bilbao) where the
participants will have the opportunity to report on the work made during the whole course.

The applicants should fill out the online form available at the link:

http://www.imus.us.es/DC/2014_OPT/registrationAndGrants.php

Those wishing to be considered for financial support should indicate in their application form. This
financial support will cover lodging and food during the whole doc-course for up to 20 non-resident
students, and trips Bilbao-Sevilla for all students. The applicants should cover the inscription fees
(EUR 200). There are 25 positions.

For futher information, please visit the Doc-Course website:

http://www.imus.us.es/DC/2014_OPT/index.html

We kindly ask you to distribute this call among colleagues and potential candidates. Please do not
hesitate to contact us for any additional information.

Dr Jonas KOKO         http://www.isima.fr/~jkoko

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10- BFG'15, Brittish-French-German Conference on Optimization, 15-17 June 2015, London
(source : J.-B. Caillau, J.-B. Hiriart-Urruty)

Le prochain colloque BFG d'optimisation se tiendra à Londres à la mi-juin 2015 ; BFG est l'acronyme
pour British-French-German. Voir les infos dans le site web ci-après :

http://optimisation.doc.ic.ac.uk/bfg2015/

Quelques précisions :
- Après AFG'11 à Toulouse et FGP'13 à Cracovie, BFG'15 se déroulera à Londres. Les dates retenues
sont un peu inhabituelles, en juin plutôt qu'en septembre. Ce sont des contraintes de disponibilité
d'amphis et de salles à Imperial College qui ont conduit à ce choix.
- Initialement, à Cracovie notamment, ce colloque avait été programmé en France (en région parisienne
ou en Normandie). Les organisateurs pressentis ne pouvant donner suite facilement cette fois-ci, nos
collègues anglais ont fait la proposition au-dessus.
- Londres est une ville chère, ce qui fait qu'on l'écarte souvent pour organiser des colloques. Nos
collègues londoniens nous ont assuré de disponibilités à des prix raisonnables dans le sud-ouest de
Londres à cette époque-là.

From the organizers :
We would like to draw your attention to the 17th British-French-German Conference on Optimization held at Imperial College London, UK, on June 15th-17th, 2015. The conference will address all aspects of optimization and its applications, including optimization theory and algorithm design, robust and stochastic optimization, variational inequalities and convex analysis as well as applications in control theory, energy, finance, operations management and engineering. More information about the conference series, which started in Oberwolfach in 1980, can be found at http://optimisation.doc.ic.ac.uk/bfg2015. Further enquiries can also be sent to bfg2015@imperial.ac.uk.

Deadlines
05 Jan '15: Extended abstract submission opening
27 Feb '15: Proposals deadline for invited sessions
06 Mar '15: Submission deadline for extended abstracts
13 Mar '15: Notification of abstract acceptance
08 May '15: Early registration deadline

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11- paru dans Quadrature : La géométrie du triangle et l'optimisation convexe font bon ménage
(source : J.-B. Hiriart-Urruty)

Paru dans QUADRATURE (numéro d'octobre-décembre 2014), l'article-revue de popularisation suivant :

La géométrie du triangle et l'optimisation convexe font bon ménage... par Jean-Baptiste HIRIART-URRUTY
Nous montrons dans ce travail comment la géométrie (classique) du triangle et l'optimisation Convexe
(moderne) font bon ménage. Dans ce qui constitue l'essentiel de notre approche, nous revisitons les
points particuliers du triangle, les plus connus du moins, à la seule lumière de l'optimisation.
Nous montrons comment ils sont les solutions uniques de problèmes de minimisation dont les fonctions-objectifs
sont définies à partir des distances aux côtés du triangle ou des distances aux sommets du triangle.
Les fonctions-objectifs qui entrent en jeu sont toutes convexes, mais certaines sont non différentiables.
Néanmoins, les conditions nécessaires et suffisantes d'optimalité en minimisation convexe sont applicables
dans tous les cas, elles conduisent précisément à la caractérisation « variationnelle » des points familiers
du triangle : isobarycentre, point de FERMAT, point de LEMOINE, centre du cercle inscrit, centre du cercle
circonscrit, orthocentre. Deux autres problèmes d'optimisation liés au triangle complètent notre article.

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