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Seminar on Geometric Complex Analysis
Seminar information archive ～05/02｜Next seminar｜Future seminars 05/03～
| Date, time & place | Monday 10:30 - 12:00 128Room #128 (Graduate School of Math. Sci. Bldg.) |
|---|---|
| Organizer(s) | Kengo Hirachi, Shigeharu Takayama |
2015/04/13
10:30-12:00 Room #126 (Graduate School of Math. Sci. Bldg.)
Yu Yasufuku (Nihon Univ.)
Campana's Multiplicity and Integral Points on P^2 (English)
Yu Yasufuku (Nihon Univ.)
Campana's Multiplicity and Integral Points on P^2 (English)
[ Abstract ]
We analyze when the complements of (possibly reducible) curves in P^2 have Zariski-dense integral points. The analysis utilizes the structure theories for affine surfaces based on logarithmic Kodaira dimension. When the log Kodaira dimension is one, an important role is played by Campana's multiplicity divisors for fibrations, but there are some subtleties. This is a joint work with Aaron Levin (Michigan State).
We analyze when the complements of (possibly reducible) curves in P^2 have Zariski-dense integral points. The analysis utilizes the structure theories for affine surfaces based on logarithmic Kodaira dimension. When the log Kodaira dimension is one, an important role is played by Campana's multiplicity divisors for fibrations, but there are some subtleties. This is a joint work with Aaron Levin (Michigan State).
