Organisation/Company: CNRS
Department: Laboratoire de mathématiques d'Orsay
Research Field: Mathematics History » History of science
Researcher Profile: First Stage Researcher (R1)
Country: France
Application Deadline: 29 Nov 2024 - 00:00 (UTC)
Type of Contract: Temporary
Job Status: Full-time
Hours Per Week: 35
Offer Starting Date: 1 Sep 2025
Is the job funded through the EU Research Framework Programme? Horizon 2020
Is the Job related to staff position within a Research Infrastructure? No
Offer Description The hired person will work at the Laboratoire de Mathématiques d'Orsay (Université Paris-Saclay), as a member of the ERC StG project "Artin groups, mapping class groups and Out(Fn): from geometry to operator algebras via measure equivalence" (PI: Camille Horbez). This project lies in the framework of geometric and ergodic / measured group theory and its interactions with operator algebras.
The research of the hired person should be related to the main themes of the ERC project, which are as follows:
Geometric group theory: Artin groups and Coxeter groups, graph products, mapping class groups of surfaces, automorphism groups of free groups, and their actions on non-positively curved spaces; automorphism groups of simplicial/cubical complexes associated to these groups, and their lattices;
Measured group theory: Orbit and measure equivalence and their quantitative versions, l^2-Betti numbers, measured equivalence relations associated to group actions, cost;
Rigidity theory: Abstract commensurator, quasi-isometric rigidity, measure equivalence rigidity, rigidity for operator algebras;
Operator algebras: Von Neumann algebras associated to groups and their actions on probability spaces, proper proximality in the sense of Boutonnet-Ioana-Peterson.
Responsibilities include:
Research in the topics of the ERC project, specified above;
Participation in the scientific life of the department (seminars and working groups);
Interactions with the other members of the project and of the team.
The hired person will work in the team Topology and Dynamics of the Laboratoire de Mathématiques d'Orsay (Université Paris-Saclay). The research topics of the team include group theory (in its geometric, ergodic, and measurable aspects) and operator algebras (and further away from the project, dynamical systems, differential geometry, topology). The team has a weekly seminar, and the members of the team working in the thematics of the project gather each week during the working group "Groups and actions".
Every person who is competent in one of the themes of the project can apply. The evaluation criteria are detailed in the section "Complementary information".
Additional comments:
There are two positions on this offer. We strongly encourage applications from members of underrepresented groups in mathematics, and wish to assert our will to work in favour of a diverse and inclusive community. In addition, in order to promote diverse profiles, we will give our preference (if possible, depending on the applications we will receive) towards hiring one person who defended their PhD thesis recently (less than two years before the beginning of the post-doc) and one person who will already have a post-doctoral experience (at least two years between the PhD defence and the beginning of the post-doc).
Interviews are planned on January 31st. The applicants will be informed of the decision of the committee regarding a possible interview before January 13th at the latest.
We recommend that the curriculum vitae contains the full list of publications. In the "research project" document, we ask the candidates to provide the following information:
a description of their past research work;
a selection of at most two (pre-)publications that they consider as their most important works, with a brief justification of their choice (we ask to include at most one article co-signed with a PhD advisor);
a description of their research project, stating the possible interactions with the members of the ERC project.
The evaluation criteria will be as follows (for the applications and the interviews):
Adequacy of the research project with the research topics of the ERC project (as specified above), and expertise in at least one of these topics, as shown by the past research of the candidate (publications and preprints). An expertise in several topics of the project, or the ability to build bridges between several topics (as shown by the (pre-)publications or the research project), will be appreciated.
Quality of the research work in the topics of the ERC project, evaluated using the following criteria:
the importance of the (pre-)publications in their research area, and the ability of the candidate to contextualise and explain the interest of their work in the work description;
the novelty of the (pre-)publications (originality of the results and the methods, in view of the previous state-of-the-art).
The quality of the best (pre-)publications will be prioritized, as opposed to their quantity. Therefore we ask the candidates to provide, in addition to the full list of their publications, a selection of at most two of them, that they consider as their most important works (in the topics of the ERC project). They should briefly justify their choices with scientific arguments (the prestige of a journal cannot constitute a justification). It is possible to select preprints, as long as a link to an open archive is given. In order to take into account the autonomy of the candidate, we ask to not include more than one article with the PhD advisor as a coauthor.
Interest and relevance of the research project, evaluated using the following criteria:
its potential impact on the research domain and its originality;
a balance between its feasibility (as demonstrated by the expertise of the candidate in the proposed research topics and/or the suggestion of a work plan towards the proposed objectives) and its ambition (presence of short-term and longer-term goals);
the adequacy (and the added value) of the project to the goals of the ERC project, and the relevance of working with the members of the ERC project in the realization of this research project (through direct collaboration or not).
Additionally, we expect from the candidates that they express a clear intention to actively participate in the scientific life of the department (participation in the team seminars and working groups, work in collaboration inside the team).
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