• Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam
• International Centre of Research and Postgraduate Training in Mathematics, Hanoi, Vietnam
• Phenikaa University, Hanoi, Vietnam

• Professor Dinh Nho Hao (Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam)
• Professor Alexander Ioffe (Technion - Israel Institute of Technology, Haifa, Israel)
• Professor Alex Kruger (Federation University Australia, Australia)
• Professor Vu Hoang Linh (Hanoi University of Science, Vietnam National University, Hanoi, Vietnam)
• Professor Boris Mordukhovich (Wayne State University, USA)
• Professor Le Dung Muu (Thang Long University, Hanoi, Vietnam)
• Professor Vu Ngoc Phat (Institute of Mathematics, Vietnam Academy/of Science and Technology, Hanoi, Vietnam)
• Professor Terry Rockafellar (University of Washington, USA)
• Professor Nguyen Khoa Son (Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam)
• Professor Michel Théra (University of Limoges, France)
• Professor Nguyen Dong Yen (Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam)

• Nguyen Quang Huy (Hanoi Pedagogical University 2, Phu Tho, Vietnam)
• Duong Thi Kim Huyen (Phenikaa University, Hanoi, Vietnam)
• Bui Trong Kien (Institute of Mathematics, Vietnam Academy ofScience and Technology, Hanoi, Vietnam – Chair)
• Nguyen Duc Trung Kien (Phenikaa University, Hanoi, Vietnam)
• Huynh Van Ngai (Quy Nhon University, Binh Dinh, Vietnam)
• Vu Huu Nhu (Phenikaa University, Hanoi, Vietnam)
• Nguyen Nang Thieu (Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam)
• Chu Cam Tho (Phenikaa University, Hanoi, Vietnam)
• Vu Van Truong (Phenikaa University, Hanoi, Vietnam)
• Le Hai Yen (Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam)

• International Centre of Research and Postgraduate Training in Mathematics (IM, VAST, Hanoi, Vietnam)
• Phenikaa University (Hanoi, Vietnam)

1. Samir Adly (University of Limoges, France) 
2. Francisco José Silva Álvarez (Univesity of Limoges, France)
3. Nguyen Dinh (International University, Vietnam National University, Ho Chi Minh City, Vietnam)
4. Duong Thi Kim Huyen (Phenikaa University, Hanoi, Vietnam)
5. Abderrahim Jourani (Institut de Mathématiques de Bourgogne, France)
6. Pham Duy Khanh (Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam)
7. Alexander Kruger (Federation University Australia, Australia)
8. Boris Mordukhovich (Wayne State University, USA)
9. Arnd Rösch (University of Duisburg-Essen, Germany)
10. Claudia Alejandra Sagastizábal (State University of Campinas, Brasil)
11. Christiane Tammer (Martin-Luther-University Halle-Wittenberg, Germany)
12. Le Hai Yen (Institute of Mathematics, Vietnam Academy of Science and Technology, Hanoi, Vietnam)

1. Cung The Anh, Hanoi University of Education, Hanoi, Vietnam
2. Ta Thuy Anh, Phenikaa University, Hanoi, Vietnam
3. Tan Cao, Department of Applied Mathematics and Statistics, SUNY Korea,  Republic of Korea.
4. Phan Van Canh, Phenikaa University, Hanoi, Vietnam.
5. Le Ba Khiet, Ton Duc Thang University
6. Tran Ngoc Nguyen,  Quy Nhon University, Vietnam
7. Vu Huu Nhu, Phenikaa University, Hanoi, Vietnam
8. Vo Thanh Phat, University of North Dakota, USA
9. Shiva Shankar, The Indian Institute of Technology, Bombay, India.
10. Phan Quang Sang, Phenikaa University, Hanoi, Vietnam.
11. Tạ Quang Sơn, Sai Gon University, Vietnam
12. Đỗ Đức Thuận, Hanoi University of Science and Technology, Hanoi, Vietnam
13. Nguyen Thi Toan, Hanoi University of Science and Technology, Hanoi, Vietnam
14. Nguyễn Hữu Trọn, Quy Nhơn Uni, Vietnam.
15. Nguyen Van Tuyen, Hanoi Pedalgogical University, Xuan Hoa, Vietnam
16. Nadia Zlateva, Faculty of Mathematics and Informatics, Sofia University, Bulgaria.  
17. Wei Zhou, Hebei University, Baoding, China

Being updated

Please fill in the required information on THIS FORM to register for the workshop. A copy of the registration form will be sent to your email address via Google Forms with the subject line “International Workshop on Optimization, Variational Analysis and Control Theory (Hanoi, 13- 15/10/2026)”. Please forward this email to ovact2026@math.ac.vn to complete your registration.

For abstract submission: The abstract should not exceed one A4 page, should not contain images, graphs, or forms, and must be created in LaTeX according to the workshop’s template abs4ovact2026.tex in addition to using the style file abs4ovact2026.sty.

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