Postdoctoral Researcher in Number Theory & Arithmetic Geometry

About us

The University of Luxembourg is an international research university with a distinctly multilingual and interdisciplinary character.

The Faculty of Science, Technology and Medicine (FSTM) at the University of Luxembourg contributes multidisciplinary expertise in the fields of Mathematics, Physics, Engineering, Computer Science, Life Sciences and Medicine.
Through its dual mission of teaching and research, the FSTM seeks to generate and disseminate knowledge and train new generations of responsible citizens in order to better understand, explain and advance society and the environment we live in.

The Department of Mathematics (DMATH) of the University of Luxembourg invites applications for a Postdoctoral Researcher position to start in September 2027. The researcher will be a part of the research group of Prof. Yujie Xu in Number Theory, Representation Theory and/or Arithmetic Geometry, broadly interpreted.

Your role

• Conduct research on topics related to the research interests of the group; an interest in the Langlands Program (broadly interpreted), p-adic Hodge theory, etc. would be considered an asset
• Participate in the scientific activities of the Department of Mathematics
• Contribution to the teaching mission of the Department of mathematics for up to 45 hours per year
• Contribution to the outreach activities of the Department of mathematics

If you have questions regarding the position, please contact Prof. Yujie Xu at . Administrative questions should be directed to .

Your profile

• PhD of high quality in mathematics and an outstanding research record, relative to career stage, in a relevant research area
• Interest in Number Theory, Representation Theory, Arithmetic Geometry or related areas
• Excellent command in English is required. Good working knowledge of French would be desirable but not required

We offer

• A modern, dynamic university with a personal and inclusive atmosphere. Multilingual and international character. Staff coming from more than 90 countries. Member of The Guild of European Research Intensive Universities
• An exceptional research environment, supported by skilled staff and high-quality equipment. Strong links to professional sectors and the Luxembourg labour market. A unique urban campus with excellent infrastructure
• A partner for society and industry. Cooperation with European institutions, innovative companies, the Financial Centre and a wide range of non-academic partners including ministries, local governments, associations, and NGOs

How to apply

Applications should include:

• Curriculum Vitae
• Cover letter detailing your motivation for applying to the advertised research topic and/or project, including how your background, interests, and career goals align with its objective
• PhD diploma or a letter/information indicating the expected defense date. You can also include a copy of your PhD thesis, or an extended abstract if the thesis is not yet completed
• Research Statement
• List of publications
• The names and email addresses of at least 3 references (for research) who can be contacted by us to provide a reference letter on the candidate's research abilities; candidates can choose to submit an additional reference letter regarding teaching, but this is optional
• Any other relevant documents, e.g. Teaching Statement, Teaching Evaluations, Outreach Statement

Early application is highly encouraged, as the applications will be processed upon reception. Applicants are encouraged to apply by October 20th, 2026; early applications are highly preferred. Late applications may continue to be reviewed until the position has been filled. Applications by Email will not be considered.

All qualified individuals are encouraged to apply. In line with our values, the University of Luxembourg promotes an inclusive culture. We encourage applications from individuals of all backgrounds and are dedicated to upholding equality and respect for our employees and students.

General information:

• Contract Type: Fixed Term Contract 24 Month, renewable up to 4 years subject to agreement with the Professor
• Work Hours: Full Time 40.0 Hours per Week
• Teaching duties of up to 45 hours per year (60 teaching units of 45min/unit)
• Location: Belval Campus
• Internal Title: Postdoctoral researcher
• Job Reference: UOL08482

The yearly gross salary for every Postdoctoral Researcher at the UL is EUR 87306 (full time). In addition, there is a generous budget for travel and inviting collaborators for postdoctoral researchers.