The Sixth Tah Poe School on Cosmology
5-8 February 2026 – Nakhon Sawan
[PROVISIONARY ANNOUNCEMENT – V2-19 Dec 2025]
The Tah Poe School on Cosmology (TPCosmo) has long history as the oldest fest or seasonal academic training school in Thailand. TPCosmo I was organized in 2002 at Department of Physics Naresuan University. The 6th school focuses on general cosmology, dark energy and modified gravities.
Organized by: NAS Mahidol University in conjunction with Faculty of Science Naresuan University and Physics Division, University of Phayao
Venue: NAS Mahidol University and Bueng Boraphet Resort in Bueng Boraphet Park (Nakhon Sawan Provincial Administrative Organization – ส่วน อบจ. นครสวรรค์)
The 6th TPCosmo Lecturers and Courses:
- Antonio De Felice (YITP Kyoto University)
Dark Energy and Modified Gravities (4-5 lectures) - Chakkrit Kaeonikhom (Chiang Mai Rajabhat University)
Background Cosmological Dynamics (4-5 lectures) - Nandan Roy (NAS Mahidol University)
Cosmological Observations (4-5 lectures) - Shinji Tsujikawa (Waseda University)
Testing Gravity in Strong-field Regime with Gravitational Waves (4-5 lectures)
Scientific Organizing Committee:
- Antonio De Felice (YITP Kyoto University)
- Burin Gumjudpai (NAS Mahidol University) – Chair
- Shinji Tsujikawa (Waseda University)
Local Organizing Committee:
- Chonticha Kritpetch (Physics Division University of Phayao)
- Nandan Roy (NAS Mahidol University) – Chair
- Seckson Sukhasena (Department of Physics Naresuan University)
- Amornthep Tita (NAS Mahidol University)
Total number of Participants Admission: 30 (TPCosmo staff excluded)
Registration Fee:
- Non-student: 4500 THB
- Student: 2500 THB
- Mahidol University Student: 1000 THB
- SIP+ Consortium Staff: 1000 THB
- SIP+ Consortium Student: 500 THB
- NAS members, students, fellows and associates: free entry but registration is needed
Fee: includes 4 nights shared-room hotel (nights of 4-5-6-7 Feb.) and
8 meals/4 snack breaks. If the participant needs to have non-shared room, it will be on his/her own responsibility.
Free quota for co-hosting institutions:
- Naresuan University (Faculty of Science) 4 places (LOC, staff and students)
- University of Phayao (Division of Physics) 5 places (LOC, staff and students)
Scientific Program (TBA)

