Seminar Algebra & Topologie

    The "Seminar Algebra & Topologie" takes place every Friday from 10.30 to 12.00 in the "Kleiner Hörsaal" (Mathematisches Institut, Rheinsprung 21) unless there is a Basel-Freiburg-Strassburg Seminar.

       

    Programm Herbstsemester 2008

      19. September: Programmdiskussion

      26. September: Daan Krammer (University of Warwick): A Garside type structure on the combed mapping class group (abstract)

      3. Oktober: Ivo Dell'Ambrogio (ETH Zürich): Tensor triangular geometry and Kasparov's equivariant KK-theory (abstract)

      10. Oktober: No Talk

      17. Oktober: Theo Bühler (Göttingen): A theorem of Gromov and a conjecture of Matsumoto-Morita (abstract)

      24. Oktober: Boris Pasquier (Hausdorff Center for Mathematics, Bonn): On some two-orbits varieties with Picard number one (abstract)

      31. Oktober: Carlo Rossi (ETH Zürich): Kontsevich's and Tsygan's formality and Caldararu's conjecture (abstract)

      7. November: Allen Knutson (Berkeley): Limits of varieties: subschemes vs. branchvarieties (abstract)

      14. November: Lucy Moser-Jauslin (Université de Bourgogne): Inequivalent embeddings of the Koras-Russell threefold (abstract)

      21. November: Frank Kutzschebauch (Universität Bern): Holomorphic factorization of maps into the special linear group (abstract)

      25. November (Tuesday):
            16:00 Mihaela Popoviciu Draisma (Universität Basel): Finding systems of parameters for the invariants of binary forms (abstract)
            17:30 Jan Draisma (Technische Universiteit Eindhoven): Set-theoretic finiteness for the k-factor model (abstract)

      28. November: No Talk (Dies academicus)

      5. Dezember: Stéphanie Cupit-Foutou (Köln): Invariant Hilbert schemes and Wonderful varieties (abstract)

      12. Dezember: Stefan Gille (München): Rost cycle modules and Suslin (singular) homology (abstract)

      19. Dezember: Daan Krammer (University of Warwick): The braid group of Z^n (abstract)

       

    Programm Frühjahrsemester 2008

      22. Februar: Luc Guyot (Université de Genève): The Space of all Subgroups of an Abelian Countable Group (abstract)

      29. Februar: Jérémy Blanc (Université Joseph Fourier Grenoble): On the complements of irreducible curves in the projective plane (abstract)

      7. März: Andrew Kresch (Universität Zürich ) Logarithmic geometry and algebraic stacks (abstract)

      14. März: Jonas Budmiger (Universität Basel) What is an invariant Hilbert scheme? (abstract)

      21. März: No Talk (Karfreitag)

      28. März:

      4. April: Anne Moreau (ETH Zürich) Nilpotent Bicone of a Reductive Lie Algebra (abstract)

      11. April: Guido Pezzini (Universität Basel) Automorphisms of wonderful varieties (abstract)

      18. April: CANCELLED - Julie Déserti (Jussieu, Paris 7) On the Cremona group (abstract) - CANCELLED

      25. April:

      2. Mai: No talk

      9. Mai: Daniele Otera (Université de Neuchâtel) On the quasi-simple filtration of groups (abstract)

      16. Mai: Bart Van Steirteghem (Instituto Superior Té cnico, Lisbon) Equivariant degenerations of spherical modules for groups of type A (abstract)

      23. Mai: Tamás Szamuely (Alfréd Rényi Institute, Budapest) TBA

      30. Mai: Stéphane Lamy (Université Lyon 1) TBA

     

    Programm Wintersemester 2007

      21. September: Kein Seminar

      28. September: Guido Pezzini (Universität Basel): What is an embedding of a homogeneous space? (abstract)

      5. Oktober: Guido Pezzini (Universität Basel): Classification of wonderful varieties (abstract)

      12. Oktober: Paolo Bravi (Università di Padova): Equivariant deformations of the affine multicone over a flag variety (abstract)

      19. Oktober: Roland Lötscher (Universität Basel): What is a faithful group? (abstract)

      26. Oktober: Alexis Tchoudjem (Université Lyon 1): Differential operators on wonderful varieties. (abstract)

      2. November: Stéphane Vénéreau (Universität Basel): What is a polynomial automorphism? (abstract)

      9. November: Jean-Philippe Furter (Université de La Rochelle): La variété des automorphismes du plan. (abstract)

      16. November: Lara Thomas (École Polytechnique Fédérale de Lausanne): Ramification theory and Galois module structure in characteristic p (abstract)

      23. November: Nikita Karpenko (Université Paris 6): Essential dimension of finite groups (abstract)

      30. November: No talk (Dies Academicus)

      7. Dezember: David Finston (New Mexico State University): Affine Factorial Threefolds with Ga Action (abstract)

      14. Dezember: Stefan Maubach (Radboud University Nijmegen): Rigid rings, almost-rigid rings, and infinitely generated invariants (abstract)

      21. Dezember: Eric Edo (Université de Nouvelle Calédonie): Tame polynomial automorphisms (abstract)

         


    Seminar 2006-2007
    Seminar 2005-2006
    Seminar 2004-2005
    Seminar 2003-2004
    Seminar 2002-2003
    Seminar 2001-2002
    Seminar 2000-2001
    Seminar 1999-2000


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