Differential Geometry
2days meeting @ KANAZAWA

Dates: Thursday 24th Sep. 2026- Friday 25th Sep.
2026年9月24日（木）～9月25日（金）

Venue: Shiinoki Cultural Complex, Ishikawa Prefecture
石川県金沢市 しいのき迎賓館

 Seminar Room A (セミナールーム A）

Registration form （参加登録はこちら）:　If you plan to attend the social gathering, please register here by Sep 7th  (懇親会へ参加する方は９月７日までに参加登録してください）．

Speakers:
Kazuyuki HASEGAWA (長谷川和志, Kanazawa University)
Hideya HASHIMOTO (橋本英哉, Meijo University)
Yasushi HOMMA (本間泰史, Waseda University)
Yasuyuki NAGATOMO (長友康行, Meiji University)
Yuuki SASAKI (佐々木優, Utsunomiya Univesity)
Hiroshi SAWAI (澤井洋, Kanazawa University)
Uwe SEMMELMANN (University of Stuttgart)

Program:
Thursday 24th Sep.
13:30-14:20:
Yasushi HOMMA, Eigenvalue estimates and stability on positive quaternion-Kähler manifolds
14:40-15:30:
Yuuki SASAKI,  A Unified Construction of exceptional symmetric spaces
16:00-16:50:
Hideya HASHIMOTO, Realization of the Lie algebra f_4 in so(26) using the Cartan hypersurfaces
17:10-18:00:
Hiroshi SAWAI, On a non-Vaisman LCK strongly unimodular solvable Lie algebra with a certain 2-dimensional subspace
18:30-
banquet 

Friday 25th Sep.
9:30-10:20:
Yasuyuki NAGATOMO, Totally complex immersions into quaternion-Kähler manifolds
10:40-11:30:
Uwe SEMMELMANN, Quaternion-Kähler manifolds of non-negative sectional curvature
11:50-12:40:
Kazuyuki HASEGAWA, Quaternionic complex manifolds and fixed-point sets of S^1 actions

ABSTRACTS

Organaizers（世話人）：
Yasushi HOMMA (本間泰史), Kazuyuki HASEGAWA (長谷川和志)
Contact information (問い合わせ先) : Yasushi HOMMA（本間 泰史)  homma_yasushi-at-waseda.jp (change -at- to @)  

SUPPORTS: JSPS Grant-in-Aid for Scientific Research (C) No. 24K06721 (Principal investigater Y. HOMMA)

ACCESS: 
From JR Kanazawa Station:  JR Kanazawa Station Bus Terminal
Kenrokuen Exit (East Exit) No. 3, 6, 7, 8, 9, 10, and 11
Kanazawa Port Exit (West Exit) No. 5
Get off at "Korinbo (in front of Atrio)" (approx. 10-minute ride), then walk for about 5 minutes.

JR金沢駅から: JR金沢駅バスターミナル
兼六園口（東口）3、6、7、8、9、10、11番乗り場
金沢港口（西口）5番乗り場
「香林坊（アトリオ前）」下車（所要約10分）、徒歩約5分

For more detail, please see the web page of the venue ( access  )