Today, the morning session of algebra started from 9 am, so that I waked up at 7 am. I went to the topological string session intermediately included in the geometry session at the morning. Then I heard the talks of Painleve equations and algebraic geometry by Masahiko Saito (Kobe), global structure of quantum D-modules (Wall-crossing and Chen-Ruan orbifold Gromov-Witten) by Iritani, and higher dimensional (Log) Minimal Model Program and Standard Models by Shokurov and Kollar et.al. The existence is proved inductively but the terminality is not.

I was not sure what is the relation between the wall-crossing and the geometric transition for open-closed duality of generating function of Gromov-Witten invariants under flip.

## Friday, September 22, 2006

## Wednesday, September 20, 2006

### 2nd day of Mathematical Society of Japan

Today I skipped the morning session, and heard the session on the infinite analysis on the quantum invariants and modular forms. I also saw several aquaintances before and after the award ceremony, which was dedicated to the work of inverse scattering problem of 3 particles.

We also see another workshop on the Quantum Mechanics and Chaos.

We also see another workshop on the Quantum Mechanics and Chaos.

## Tuesday, September 19, 2006

### 1st day of Mathematical Society of Japan

I did my oral presentaion at the morning session. There was an interval before my presentation. I did my trial towards automorphic representationｓ, but I could not reproduce the modular form of 9 point generic point blowup of CP^2.

## Monday, September 18, 2006

### Arrived at Ten-noji again

I arrived at Shin-osaka by the bullet train to stay at the Osaka City University again. Fortunately, it was not raining because the typhoon vanished. Today was my birthday, so that I ate a birthday cake and the barbecue at the dinner.

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