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    Dear Colleagues,
   We have the pleasure to announce the launch of a new series of
 "Mini-school on mathematics in electronic structure theory"
 organized by the GDR Correl [1].
   The lectures delivered are intended to be of interest to any person
 working in the field of electronic structure theory and willing to
 discover or deepen the mathematical aspects of the methods.
 PhD students, post-docs or any academic are welcome!
   To provide a detailed presentation of subjects, we have chosen to give
 a good amount of time to each lecturer. The workshop will thus
 typically involve only two or three lecturers over a three-day period.
  We are glad to announce the first mini-school of the series that will
 be held in Paris the 9, 10 and 11th of january 2017.
 Two lectures will be proposed:
 1) "Operator theory for electronic structure calculation"
      by Eric Cancès, Ecole des Ponts and INRIA, Paris, France
    Indicative program (subject to changes and extension):
    - Hilbert spaces
    - Linear operators on Hilbert spaces
    - Self-adjointness
    - Spectra of self-adjoint operators: point vs continuous spectrum,
      discrete vs essential spectrum
    - Some examples in quantum chemistry (N-body Schödinger equation,
      Hartree-Fock and Kohn-Sham hamiltonians)
    - Some examples in solid state physics (Bloch theory,
      periodic Kohn-Sham hamiltonians)
 2) "Fundamentals of DFT" (tentative title)
      by Trygve Helgaker Centre for Theoretical and Computational Chemistry
      Department of Chemistry, University of Oslo, Norway
    Indicative program (subject to changes and extension):
    1. Hohenberg–Kohn theory (Hohenberg–Kohn theorem and concavity,
      Lieb variation principles, v-representable densities, etc.
    2. Levy–Lieb constrained-search theory, N-representable densities,
      the Levy–Lieb constrained-search functional, etc.
    3. Lieb convex-conjugate theory, convex functions and convex conjugation,
      the Lieb convex-conjugate functional, etc.       conditions, etc.
    ... etc.
   If you are interested and willing to participate (even if you are
 not completely sure, a definitive answer will be asked later),
 please register on our website [2].
 Important: To facilitate the participation of young researchers, no
 registration fees will be asked and housing in student-type accomodation
 will be offered.
 If you have any questions, do not hesitate to send an email to
 or to any of us.
 Looking forward to seeing you in Paris!
 Michel Caffarel, Eric Cancès, Emmanuel Fromager, and Julien Toulouse

    4. Discontinuity and nondifferentiability of the universal functional