216 citations
- Waseda UniversityJP10 papers
- Hirosaki UniversityJP6 papers
- Kyoto UniversityJP6 papers
- Chinese Academy of SciencesCN5 papers
- Lomonosov Moscow State UniversityRU5 papers
- Osaka City UniversityJP5 papers
- Saitama UniversityJP5 papers
- University of TsukubaJP5 papers
- The University of OsakaJP4 papers
- Helsinki Institute of PhysicsFI3 papers
- High Energy Accelerator Research OrganizationJP3 papers
- Institute of Theoretical PhysicsCN3 papers
Showing 2008 · math.AGShow all
3 papers · 2 filters
math.AG2008★ 1 cited
Microlocal study of Lefschetz fixed point formulas for higher-dimensional fixed point sets
Yutaka Matsui, Kiyoshi Takeuchi
We introduce new Lagrangian cycles which encode local contributions of Lefschetz numbers of constructible sheaves into geometric objects. We study their functorial properties and a…
math.AG2008★ 9 cited
Milnor fibers over singular toric varieties and nearby cycle sheaves
Yutaka Matsui, Kiyoshi Takeuchi
We propose a new sheaf-theoretical method for the calculation of the monodromy zeta functions of Milnor fibrations. As an application, classical formulas of Kushnirenko and Varchen…
math.AG2008★ 1 cited
A geometric degree formula for -discriminants and Euler obstructions of toric varieties
Yutaka Matsui, Kiyoshi Takeuchi
We give explicit formulas for the dimensions and the degrees of -discriminant varieties introduced by Gelfand-Kapranov-Zelevinsky. Our formulas can be applied also to the case w…