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April 27 - 30, 2026
Room 202, Astronomy Mathematics Bldg., NTU

Aim & Scope

This workshop explores extremal transitions and mirror symmetry through geometric, analytic, arithmetic, and integral structures arising from Calabi–Yau moduli on both the A- and B-sides and their degenerations. It features four mini-courses (two 90-minute lectures each) by the organizers, providing structured introductions to central themes, together with 60-minute research talks by invited speakers on recent developments and open problems. The goal is to foster the exchange of ideas and to develop a common language across these interconnected areas.

Speakers and Topics

Martin Guest ( Waseda University ) Gamma classes and tt*/real structure

Shinobu Hosono ( Gakushuin University ) Families of Calabi-Yau manifolds and mirror symmetry

Atsushi Kanazawa ( Waseda University ) Generalized Calabi-Yau geometry toward mirror symmetry

Chin-Lung Wang ( TIMS & National Taiwan University ) Quantum extremal transitions

Invited Speakers *Online

Konstantin Aleshkin ( Kavli Institute for the Physics and Mathematics of the Universe)

You-Cheng Chou ( Korea Institute for Advanced Study )

Ping-Hsun Chuang (National Taiwan University)

Yuki Koto ( Academia Sinica )

Shuang-Yen Lee ( National Taiwan University )

Tsung-Ju Lee ( National Cheng Kung University )

Fumihiko Sanda ( Chiba University )

Yota Shamoto* ( Yamato University )

Sz-Sheng Wang ( National Yang Ming Chiao Tung University )

Po-Sheng Wu ( National Taiwan University )

Jeng-Daw Yu ( TIMS & National Taiwan University )

Schedule *Online
April 27 (Monday)
09:00 - 10:30		Shinobu Hosono Families of Calabi-Yau manifolds and mirror symmetry
10:50 - 11:50		You-Cheng Chou
13:00 - 14:30		Chin-Lung Wang Quantum extremal transitions
14:50 - 15:50		Konstantin Aleshkin
16:00 - 17:00		Po-sheng Wu
April 28 (Tuesday)
09:00 - 10:30		Atsushi Kanazawa Generalized Calabi-Yau geometry toward mirror symmetry
10:50 - 11:50		Jeng-Daw Yu
13:00 - 14:30		Martin Guest Gamma classes and tt*/real structure
14:50 - 15:50		Yota Shamoto*
16:00 - 17:00		Ping-Hsun Chuang
April 29 (Wednesday)
09:00 - 10:30		Shinobu Hosono Families of Calabi-Yau manifolds and mirror symmetry
10:50 - 11:50		Sz-Sheng Wang Quantum Extremal Transitions of 3-folds and Special L-Values
13:00 - 14:30		Chin-Lung Wang Quantum extremal transitions
14:50 - 15:50		Yuki Koto
16:00 - 17:00		Shuang-Yen Lee
April 30 (Thursday)
09:00 - 10:30		Atsushi Kanazawa Generalized Calabi-Yau geometry toward mirror symmetry
10:50 - 11:50		Fumihiko Sanda
13:00 - 14:30		Martin Guest Gamma classes and tt*/real structure
14:50 - 15:50		Tsung-Ju Lee

Organizers

Martin Guest ( Waseda University )

Shinobu Hosono ( Gakushuin University )

Atsushik Kanazawa ( Waseda University )

Chin-Lung Wang ( TIMS & National Taiwan University )

Sponsors

Taida Institute for Mathematical Sciences ( TIMS )

National Taiwan University ( National Taiwan University )

National Science and Technology Council ( NSTC )

Registration

Please click here or scan the the QR code below for registration by April 19.