816 citations
- Heidelberg Institute for Theoretical StudiesDE4 papers
- Max Planck SocietyDE4 papers
- University of Science and Technology of ChinaCN4 papers
- Center for Theoretical PhysicsPL2 papers
- Max Planck Institute for AstronomyDE2 papers
- Polish Academy of SciencesPL2 papers
- University of OxfordGB2 papers
- University of PaduaIT2 papers
- Center for Astrophysics Harvard & SmithsonianUS1 paper
- Centre National de la Recherche ScientifiqueFR1 paper
- Chonnam National UniversityKR1 paper
- Columbia UniversityUS1 paper
Showing 2003 · math.AGShow all
3 papers · 2 filters
math.AG2003★ 6 cited
Cox rings and combinatorics
Florian Berchtold, Juergen Hausen
For a variety with a finitely generated total coordinate ring, we describe basic geometric properties in terms of certain combinatorial structures living in its divisor class group…
math.AG2003
Variation of local systems and parabolic cohomology
Michael Dettweiler, Stefan Wewers
Given a family of local systems on a punctured Riemann sphere, with moving singularities, its first parabolic cohomology is a local system on the base space. We study this situatio…
math.AG2003★ 12 cited
On the middle convolution
Michael Dettweiler, Stefan Reiter
We present a cohomological interpretation of the middle convolution functor MC and find an explicit Riemann-Hilbert correspondence for MC_λ. This leads to an algorithm for the cons…