• 0927 - Algebraic K-Theory and Motivic Cohomology 

      [OWR-2009-31] Workshop Report 2009,31 (2009) - (28 Jun - 04 Jul 2009)
      Algebraic K-theory and the related motivic cohomology are a systematic way of producing invariants for algebraic or geometric structures. Its definition and methods are taken from algebraic topology, but it has also proved ...
    • 0940 - Complex Algebraic Geometry 

      [OWR-2009-44] Workshop Report 2009,44 (2009) - (27 Sep - 03 Oct 2009)
      The Conference focused on several classical and novel theories in the realm of complex algebraic geometry, such as Algebraic surfaces, Moduli theory, Minimal Model Program, Abelian Varieties, Holomorphic Symplectic Varieties, ...
    • 0911 - Enveloping Algebras and Geometric Representation Theory 

      [OWR-2009-15] Workshop Report 2009,15 (2009) - (08 Mar - 14 Mar 2009)
      The meeting brought together experts investigating Lie theory from the geometric, algebraic and combinatorial points of view to discuss recent progress and bring forward the research in this area by fostering scientific ...
    • 0929 - Explicit Methods in Number Theory 

      [OWR-2009-33] Workshop Report 2009,33 (2009) - (12 Jul - 18 Jul 2009)
      These notes contain extended abstracts on the topic of explicit methods in number theory. The range of topics includes asymptotics for field extensions and class numbers, random matrices and L-functions, rational points on ...
    • 0917 - Kommutative Algebra 

      [OWR-2009-22] Workshop Report 2009,22 (2009) - (19 Apr - 25 Apr 2009)
      The workshop brought together researchers on various areas of Commutative Algebra. New results in combinatorial commutative algebra, homological methods and invariants, characteristic p-methods, and in general commutative ...
    • 0908a - Mini-Workshop: Category Theory and Related Fields: History and Prospects 

      [OWR-2009-8] Workshop Report 2009,8 (2009) - (15 Feb - 21 Feb 2009)
      he workshop concerned various topics in the history of category theory and related fields, paying attention to some extent also to open questions, present and possible future development.
    • 0910c - Mini-Workshop: Non-Negativity is a Quantum Phenomenon 

      [OWR-2009-14] Workshop Report 2009,14 (2009) - (01 Mar - 07 Mar 2009)
      In recent publications, the same combinatorial description has arisen for three separate objects of interest: non-negative cells in the real grassmannian (Postnikov, Williams); torus orbits of symplectic leaves in the ...
    • 0908c - Mini-Workshop: Support Varieties 

      [OWR-2009-10] Workshop Report 2009,10 (2009) - (15 Feb - 21 Feb 2009)
      The notion of support is a fundamental concept which provides a geometric approach for studying various algebraic structures. The prototype for this has been Quillen’s description of the algebraic variety corresponding to ...
    • 0916 - Multiplier Ideal Sheaves in Algebraic and Complex Geometry 

      [OWR-2009-21] Workshop Report 2009,21 (2009) - (12 Apr - 18 Apr 2009)
      The workshop Multiplier Ideal Sheaves in Algebraic and Complex Geometry, organised by Stefan Kebekus (Freiburg), Mihai Paun (Nancy), Georg Schumacher (Marburg) and Yum-Tong Siu (Cambridge MA) was held April 12th – April ...
    • 0920 - Quadratic Forms and Linear Algebraic Groups 

      [OWR-2009-25] Workshop Report 2009,25 (2009) - (10 May - 16 May 2009)
      Topics discussed at the workshop Quadratic forms and linear algebraic groups included besides the algebraic theory of quadratic and Hermitian forms and their Witt groups several aspects of the theory of linear algebraic ...
    • 0939 - Singularities 

      [OWR-2009-43] Workshop Report 2009,43 (2009) - (20 Sep - 26 Sep 2009)
      Local/global Singularity Theory is concerned with the local/global structure of maps and spaces that occur in differential topology or theory of algebraic or analytic varieties. It uses methods from algebra, topology, ...
    • 0902 - Toric Geometry 

      [OWR-2009-1] Workshop Report 2009,1 (2009) - (04 Jan - 10 Jan 2009)
      Toric Geometry originated from investigations of torus actions on geometric and algebraic objects. It is addressed through algebraic geometry, symplectic geometry, equivariant topology, as well as the theory of convex ...